156004402 has 16 divisors (see below), whose sum is σ = 247248000. Its totient is φ = 73619280.

The previous prime is 156004391. The next prime is 156004403. The reversal of 156004402 is 204400651.

It is not an unprimeable number, because it can be changed into a prime (156004403) by changing a digit.

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, 2724 + ... + 17872.

It is an arithmetic number, because the mean of its divisors is an integer number (15453000).

Almost surely, 2^156004402 is an apocalyptic number.

156004402 is a deficient number, since it is larger than the sum of its proper divisors (91243598).

156004402 is a wasteful number, since it uses less digits than its factorization.

156004402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15441.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 156004402 is about 12490.1722165869. The cubic root of 156004402 is about 538.3263246017.

It can be divided in two parts, 15600 and 4402, that added together give a palindrome (20002).

The spelling of 156004402 in words is "one hundred fifty-six million, four thousand, four hundred two".