156455556 has 24 divisors (see below), whose sum is σ = 386537760. Its totient is φ = 49084032.

The previous prime is 156455521. The next prime is 156455567. The reversal of 156455556 is 655554651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383266 + ... + 383673.

It is an arithmetic number, because the mean of its divisors is an integer number (16105740).

Almost surely, 2^156455556 is an apocalyptic number.

It is an amenable number.

156455556 is an abundant number, since it is smaller than the sum of its proper divisors (230082204).

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

156455556 is a wasteful number, since it uses less digits than its factorization.

156455556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766963 (or 766961 counting only the distinct ones).

The product of its digits is 450000, while the sum is 42.

The square root of 156455556 is about 12508.2195375681. The cubic root of 156455556 is about 538.8447593973.

The spelling of 156455556 in words is "one hundred fifty-six million, four hundred fifty-five thousand, five hundred fifty-six".