156361928 has 12 divisors (see below), whose sum is σ = 293244945. Its totient is φ = 78163280.

The previous prime is 156361921. The next prime is 156362009. The reversal of 156361928 is 829163651.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 136843204 + 19518724 = 11698^2 + 4418^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8842.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156361921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33158 + ... + 37578.

Almost surely, 2^156361928 is an apocalyptic number.

It is an amenable number.

156361928 is a deficient number, since it is larger than the sum of its proper divisors (136883017).

156361928 is an frugal number, since it uses more digits than its factorization.

156361928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848 (or 4423 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 156361928 is about 12504.4763185029. The cubic root of 156361928 is about 538.7372506462.

The spelling of 156361928 in words is "one hundred fifty-six million, three hundred sixty-one thousand, nine hundred twenty-eight".