158814920 has 128 divisors (see below), whose sum is σ = 416361600. Its totient is φ = 54362880.

The previous prime is 158814919. The next prime is 158814937. The reversal of 158814920 is 29418851.

158814920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011482 + ... + 1011638.

It is an arithmetic number, because the mean of its divisors is an integer number (3252825).

Almost surely, 2^158814920 is an apocalyptic number.

158814920 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 158814920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208180800).

158814920 is an abundant number, since it is smaller than the sum of its proper divisors (257546680).

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

158814920 is a wasteful number, since it uses less digits than its factorization.

158814920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 158814920 is about 12602.1791766345. The cubic root of 158814920 is about 541.5398662824.

The spelling of 158814920 in words is "one hundred fifty-eight million, eight hundred fourteen thousand, nine hundred twenty".