158123900 has 72 divisors (see below), whose sum is σ = 383142144. Its totient is φ = 56145600.

The previous prime is 158123891. The next prime is 158123923. The reversal of 158123900 is 9321851.

158123900 = T₁₅₉ + T₁₆₀ + ... + T₉₈₃.

158123900 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

158123900 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45629 + ... + 48971.

Almost surely, 2^158123900 is an apocalyptic number.

158123900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158123900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191571072).

158123900 is an abundant number, since it is smaller than the sum of its proper divisors (225018244).

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

158123900 is a wasteful number, since it uses less digits than its factorization.

158123900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 158123900 is about 12574.7326015307. The cubic root of 158123900 is about 540.7532925287.

The spelling of 158123900 in words is "one hundred fifty-eight million, one hundred twenty-three thousand, nine hundred".