158928 has 80 divisors (see below), whose sum is σ = 523776. Its totient is φ = 40320.

The previous prime is 158927. The next prime is 158941. The reversal of 158928 is 829851.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

Its product of digits (5760) is a multiple of the sum of its prime factors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3675 + ... + 3717.

2¹⁵⁸⁹²⁸ 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 158928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261888).

158928 is an abundant number, since it is smaller than the sum of its proper divisors (364848).

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

158928 is a wasteful number, since it uses less digits than its factorization.

158928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 66 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 158928 is about 398.6577479493. The cubic root of 158928 is about 54.1668365544.

The spelling of 158928 in words is "one hundred fifty-eight thousand, nine hundred twenty-eight".