156100004 has 12 divisors (see below), whose sum is σ = 281987328. Its totient is φ = 75532200.

The previous prime is 156099989. The next prime is 156100013. The reversal of 156100004 is 400001651.

It is a happy number.

156100004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156100004² = 48734422497600032, which contains 22 as substring.

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, 629312 + ... + 629559.

It is an arithmetic number, because the mean of its divisors is an integer number (23498944).

Almost surely, 2^156100004 is an apocalyptic number.

It is an amenable number.

156100004 is a deficient number, since it is larger than the sum of its proper divisors (125887324).

156100004 is a wasteful number, since it uses less digits than its factorization.

156100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258906 (or 1258904 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 156100004 is about 12493.9987193852. The cubic root of 156100004 is about 538.4362671489.

Adding to 156100004 its reverse (400001651), we get a palindrome (556101655).

The spelling of 156100004 in words is "one hundred fifty-six million, one hundred thousand, four".