158912 has 28 divisors (see below), whose sum is σ = 341376. Its totient is φ = 72960.

The previous prime is 158909. The next prime is 158923. The reversal of 158912 is 219851.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (12192).

2¹⁵⁸⁹¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170688).

158912 is an abundant number, since it is smaller than the sum of its proper divisors (182464).

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

158912 is a wasteful number, since it uses less digits than its factorization.

158912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 206 counting only the distinct ones).

The product of its digits is 720, while the sum is 26.

The square root of 158912 is about 398.6376801056. The cubic root of 158912 is about 54.1650187533.

The spelling of 158912 in words is "one hundred fifty-eight thousand, nine hundred twelve".