158838912 has 96 divisors (see below), whose sum is σ = 460294380. Its totient is φ = 52574208.

The previous prime is 158838899. The next prime is 158838919. The reversal of 158838912 is 219838851.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 150405696 + 8433216 = 12264^2 + 2904^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (158838919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198898 + ... + 199694.

Almost surely, 2^158838912 is an apocalyptic number.

158838912 is a gapful number since it is divisible by the number (12) 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 158838912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230147190).

158838912 is an abundant number, since it is smaller than the sum of its proper divisors (301455468).

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

158838912 is a wasteful number, since it uses less digits than its factorization.

158838912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 975 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 158838912 is about 12603.1310395473. The cubic root of 158838912 is about 541.5671348587.

The spelling of 158838912 in words is "one hundred fifty-eight million, eight hundred thirty-eight thousand, nine hundred twelve".