156458028 has 12 divisors (see below), whose sum is σ = 365068760. Its totient is φ = 52152672.

The previous prime is 156457981. The next prime is 156458033. The reversal of 156458028 is 820854651.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×156458028² = 48958229051297568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6519073 + ... + 6519096.

Almost surely, 2^156458028 is an apocalyptic number.

It is an amenable number.

156458028 is an abundant number, since it is smaller than the sum of its proper divisors (208610732).

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

156458028 is a wasteful number, since it uses less digits than its factorization.

156458028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13038176 (or 13038174 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 156458028 is about 12508.3183522007. The cubic root of 156458028 is about 538.8475973007.

The spelling of 156458028 in words is "one hundred fifty-six million, four hundred fifty-eight thousand, twenty-eight".