| Nominal | 42145 |
| Cardinal | forty-two thousand one hundred forty-five |
Cardinal forty-two thousand one hundred forty-five | |
| Ordinal | 42,145th |
| Number of digits | 5 |
| Sum of digits | 16 |
| Product of digits | 160 |
| Number parity | Odd |
| Prime factorization | 5 x 8429 |
| Prime factors | 5, 8429 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 8434 |
| Product of prime factors | 42145 |
| Is 42145 a prime number? | No |
| Is 42145 a semiprime number? | Yes |
| Is 42145 a Chen prime number? | No |
| Is 42145 a Mersenne prime number? | No |
| Is 42145 a Catalan number? | No |
| Is 42145 a Fibonacci number? | No |
| Is 42145 a Idoneal number? | No |
| Square of 42145 (n2) | 1776201025 |
| Cube of 42145 (n3) | 74857992198625 |
| Square root of 42145 | 205.29247428973 |
| Natural Logarithm (ln) of 42145 | 10.648871332432 |
| Decimal Logarithm (log) of 42145 | 4.6247460581728 |
| Sine of 42145 | -0.50945566789267 |
| Cosecant of 42145 | -1.9628793298864 |
| Cosine of 42145 | -0.8604969043826 |
| Secant of 42145 | -1.1621192300715 |
| Tangent of 42145 | 0.59204822852698 |
| Cotangent of 42145 | 1.6890515870439 |
| The spelling of 42145 in words is "forty-two thousand one hundred forty-five", meaning that: |
| 42145 is not an aban number (as it contains the letter a) |
| 42145 is not an eban number (as it contains the letter e) |
| 42145 is not an iban number (as it contains the letter i) |
| 42145 is not an oban number (as it contains the letter o) |
| 42145 is not a tban number (as it contains the letter t) |
| 42145 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪২১৪৫ |
| Eastern Arabic numerals | ٤٢٬١٤٥ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓆼𓆼𓍢𓎉𓏾 |
| Khmer numerals | ៤២១៤៥ |
| Japanese numerals | 四万二千百四十五 |
| Roman numerals | n/a |
| Thai numerals | ๔๒๑๔๕ |
| Arabic | إثنان و أربعون ألف و مائة و خمسة و أربعون |
| Croatian | četrdeset i dvije tisuća sto četrdeset i pet |
| Czech | čtyřicet dvě tisíc sto čtyřicet pět |
| Danish | to og fyrre tusinde et hundrede fem og fyrre |
| Dutch | tweeenveertigduizend honderdvijfenveertig |
| Estonian | akpe blaene vɔ eve alafa ɖeka blaene vɔ atɔ̃ |
| Faroese | fýratitvey tusin og eitthundraðogfýratifimm |
| Filipino | ápat na pû’t dalawáng libó’t isáng daán at ápat na pû’t limá |
| Finnish | neljäkymmentäkaksituhattasataneljäkymmentäviisi |
| French | quarante-deux mille cent quarante-cinq |
| Greek | σαράντα δύο χίλιάδες εκατόν σαράντα πέντε |
| German | zweiundvierzigtausendeinhundertfünfundvierzig |
| Hebrew | ארבעים ושניים אלף מאה ארבעים וחמש |
| Hindi | बयालीस हज़ार एक सौ पैंतालीस |
| Hungarian | negyvenkettőezerszáznegyvenöt |
| Icelandic | fjörutíu og tvö þúsund og eitthundrað og fjörutíu og fimm |
| Indonesian | empat puluh dua ribu seratus empat puluh lima |
| Italian | quarantaduemilacentoquarantacinque |
| Japanese | 四万二千百四十五 |
| Korean | 사만 이천백사십오 |
| Latvian | četrdesmit divi tūkstoši simt četrdesmit pieci |
| Lithuanian | keturiasdešimt du tūkstančiai šimtas keturiasdešimt penki |
| Norwegian | førtito tusen hundre og førtifem |
| Persian | چهل و دو هزار و صد و چهل و پنج |
| Polish | czterdzieści dwa tysiące sto czterdzieści pięć |
| Portuguese | quarenta e dois mil cento e quarenta e cinco |
| Romanian | patruzeci şi două mii una sută patruzeci şi cinci |
| Russian | сорок две тысячи сто сорок пять |
| Serbian | четрдесет и две хиљада сто четрдесет и пет |
| Slovak | štyridsaťdve tisíc jednasto štyridsaťpäť |
| Slovene | štirideset dvije tisuću sto štirideset pet |
| Spanish | cuarenta y dos mil ciento cuarenta y cinco |
| Swahili | elfu arobaini na mbili, mia moja na arobaini na tano |
| Swedish | fyrtiotvåtusenenhundrafyrtiofem |
| Thai | สี่หมื่นสองพันหนึ่งร้อยสี่สิบห้า |
| Turkish | kırk iki bin yüz kırk beş |
| Ukrainian | сорок дві тисячі сто сорок пʼять |
| Vietnamese | bốn mươi hai nghìn một trăm bốn mươi lăm |
| Number 42145 reversed | 54124 | |
| Unicode Character | U+A4A1 | ꒡ |
| Unix Timestamp | Thu, 01 Jan 1970 11:42:25 +0000 | |