156856104 has 24 divisors (see below), whose sum is σ = 424818810. Its totient is φ = 52285344.

The previous prime is 156856087. The next prime is 156856109. The reversal of 156856104 is 401658651.

156856104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 156200004 + 656100 = 12498^2 + 810^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (156856109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1089207 + ... + 1089350.

Almost surely, 2^156856104 is an apocalyptic number.

It is an amenable number.

156856104 is an abundant number, since it is smaller than the sum of its proper divisors (267962706).

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

156856104 is a wasteful number, since it uses less digits than its factorization.

156856104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178569 (or 2178562 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 156856104 is about 12524.2206943187. The cubic root of 156856104 is about 539.3042067319.

The spelling of 156856104 in words is "one hundred fifty-six million, eight hundred fifty-six thousand, one hundred four".