158904 has 24 divisors (see below), whose sum is σ = 430560. Its totient is φ = 52944.

The previous prime is 158881. The next prime is 158909. The reversal of 158904 is 409851.

158904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158909) 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, 1032 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (17940).

2¹⁵⁸⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

158904 is an abundant number, since it is smaller than the sum of its proper divisors (271656).

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

158904 is a wasteful number, since it uses less digits than its factorization.

158904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 158904 is about 398.6276458050. The cubic root of 158904 is about 54.1641098070.

Subtracting from 158904 its product of nonzero digits (1440), we obtain a cube (157464 = 54³).

The spelling of 158904 in words is "one hundred fifty-eight thousand, nine hundred four".