156225864 has 64 divisors (see below), whose sum is σ = 410112000. Its totient is φ = 49527360.

The previous prime is 156225859. The next prime is 156225893. The reversal of 156225864 is 468522651.

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 15 ways as a sum of consecutive naturals, for example, 42117 + ... + 45675.

It is an arithmetic number, because the mean of its divisors is an integer number (6408000).

Almost surely, 2^156225864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156225864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205056000).

156225864 is an abundant number, since it is smaller than the sum of its proper divisors (253886136).

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

156225864 is a wasteful number, since it uses less digits than its factorization.

156225864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3654 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 156225864 is about 12499.0345227141. The cubic root of 156225864 is about 538.5809380475.

The spelling of 156225864 in words is "one hundred fifty-six million, two hundred twenty-five thousand, eight hundred sixty-four".