145285929 has 12 divisors (see below), whose sum is σ = 211896256. Its totient is φ = 95916312.

The previous prime is 145285901. The next prime is 145285967. The reversal of 145285929 is 929582541.

It is a happy number.

145285929 is a `hidden beast` number, since 1 + 4 + 52 + 8 + 592 + 9 = 666.

It is not a de Polignac number, because 145285929 - 2¹⁵ = 145253161 is a prime.

It is a super-2 number, since 2×145285929² = 42216002330786082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145285979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77437 + ... + 79290.

Almost surely, 2^145285929 is an apocalyptic number.

It is an amenable number.

145285929 is a deficient number, since it is larger than the sum of its proper divisors (66610327).

145285929 is a wasteful number, since it uses less digits than its factorization.

145285929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156836 (or 156833 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 145285929 is about 12053.4612871158. The cubic root of 145285929 is about 525.7038830722.

The spelling of 145285929 in words is "one hundred forty-five million, two hundred eighty-five thousand, nine hundred twenty-nine".