156345664 has 28 divisors (see below), whose sum is σ = 310653684. Its totient is φ = 78070784.

The previous prime is 156345659. The next prime is 156345767. The reversal of 156345664 is 466543651.

It can be written as a sum of positive squares in 2 ways, for example, as 120824064 + 35521600 = 10992^2 + 5960^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80772 + ... + 82684.

Almost surely, 2^156345664 is an apocalyptic number.

It is an amenable number.

156345664 is a deficient number, since it is larger than the sum of its proper divisors (154308020).

156345664 is a wasteful number, since it uses less digits than its factorization.

156345664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3192 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 156345664 is about 12503.8259744768. The cubic root of 156345664 is about 538.7185710640.

The spelling of 156345664 in words is "one hundred fifty-six million, three hundred forty-five thousand, six hundred sixty-four".