15400156 has 12 divisors (see below), whose sum is σ = 28122192. Its totient is φ = 7365248.

The previous prime is 15400111. The next prime is 15400159. The reversal of 15400156 is 65100451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83605 + ... + 83788.

It is an arithmetic number, because the mean of its divisors is an integer number (2343516).

Almost surely, 2^15400156 is an apocalyptic number.

It is an amenable number.

15400156 is a deficient number, since it is larger than the sum of its proper divisors (12722036).

15400156 is a wasteful number, since it uses less digits than its factorization.

15400156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167420 (or 167418 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 15400156 is about 3924.3032502598. The cubic root of 15400156 is about 248.7950335544.

The spelling of 15400156 in words is "fifteen million, four hundred thousand, one hundred fifty-six".