Base | Representation |
---|---|
bin | 10001010011000… |
… | …01010100111111 |
3 | 101010000221201110 |
4 | 20221201110333 |
5 | 244121232033 |
6 | 22222013103 |
7 | 3411230214 |
oct | 1051412477 |
9 | 333027643 |
10 | 145102143 |
11 | 749a742a |
12 | 40717193 |
13 | 240a5774 |
14 | 153b1b0b |
15 | cb13363 |
hex | 8a6153f |
145102143 has 8 divisors (see below), whose sum is σ = 193825408. Its totient is φ = 96556824.
The previous prime is 145102141. The next prime is 145102159. The reversal of 145102143 is 341201541.
145102143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145102143 - 21 = 145102141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145102141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42571 + ... + 45852.
It is an arithmetic number, because the mean of its divisors is an integer number (24228176).
Almost surely, 2145102143 is an apocalyptic number.
145102143 is a deficient number, since it is larger than the sum of its proper divisors (48723265).
145102143 is an equidigital number, since it uses as much as digits as its factorization.
145102143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88973.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 145102143 is about 12045.8350893576. The cubic root of 145102143 is about 525.4821185761.
Adding to 145102143 its reverse (341201541), we get a palindrome (486303684).
It can be divided in two parts, 14510 and 2143, that added together give a triangular number (16653 = T182).
The spelling of 145102143 in words is "one hundred forty-five million, one hundred two thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •