156453402 has 32 divisors (see below), whose sum is σ = 359424000. Its totient is φ = 44473968.

The previous prime is 156453389. The next prime is 156453419. The reversal of 156453402 is 204354651.

It is a self number, because there is not a number n which added to its sum of digits gives 156453402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (11232000).

Almost surely, 2^156453402 is an apocalyptic number.

156453402 is an abundant number, since it is smaller than the sum of its proper divisors (202970598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156453402 is a wasteful number, since it uses less digits than its factorization.

156453402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18930.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 156453402 is about 12508.1334338901. The cubic root of 156453402 is about 538.8422865397.

The spelling of 156453402 in words is "one hundred fifty-six million, four hundred fifty-three thousand, four hundred two".