158804 has 18 divisors (see below), whose sum is σ = 295470. Its totient is φ = 74592.

The previous prime is 158803. The next prime is 158843. The reversal of 158804 is 408851.

It can be written as a sum of positive squares in 3 ways, for example, as 91204 + 67600 = 302^2 + 260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158803) 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, 4274 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (16415).

2¹⁵⁸⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

158804 is a deficient number, since it is larger than the sum of its proper divisors (136666).

158804 is a wasteful number, since it uses less digits than its factorization.

158804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 158804 is about 398.5021957280. The cubic root of 158804 is about 54.1527454034.

Subtracting 158804 from its reverse (408851), we obtain a cube (250047 = 63³).

The spelling of 158804 in words is "one hundred fifty-eight thousand, eight hundred four".