158156900 has 36 divisors (see below), whose sum is σ = 374403120. Its totient is φ = 57511200.

The previous prime is 158156879. The next prime is 158156939. The reversal of 158156900 is 9651851.

158156900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158156900² = 50027210035220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70790 + ... + 72989.

Almost surely, 2^158156900 is an apocalyptic number.

158156900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158156900 is an abundant number, since it is smaller than the sum of its proper divisors (216246220).

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

158156900 is a wasteful number, since it uses less digits than its factorization.

158156900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143804 (or 143797 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 158156900 is about 12576.0446882158. The cubic root of 158156900 is about 540.7909077942.

The spelling of 158156900 in words is "one hundred fifty-eight million, one hundred fifty-six thousand, nine hundred".