158365328 has 80 divisors (see below), whose sum is σ = 349102656. Its totient is φ = 68958720.

The previous prime is 158365321. The next prime is 158365343. The reversal of 158365328 is 823563851.

158365328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158365328² = 50159154225095168, which contains 22 as substring.

Its product of digits (172800) is a multiple of the sum of its prime factors (432).

It is not an unprimeable number, because it can be changed into a prime (158365321) 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, 540350 + ... + 540642.

Almost surely, 2^158365328 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 158365328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174551328).

158365328 is an abundant number, since it is smaller than the sum of its proper divisors (190737328).

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

158365328 is a wasteful number, since it uses less digits than its factorization.

158365328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 158365328 is about 12584.3286670366. The cubic root of 158365328 is about 541.0283650051.

The spelling of 158365328 in words is "one hundred fifty-eight million, three hundred sixty-five thousand, three hundred twenty-eight".