158326272 has 160 divisors (see below), whose sum is σ = 505280160. Its totient is φ = 48660480.

The previous prime is 158326261. The next prime is 158326277. The reversal of 158326272 is 272623851.

158326272 is a `hidden beast` number, since 1 + 583 + 2 + 6 + 2 + 72 = 666.

158326272 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158326277) 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, 179272 + ... + 180152.

It is an arithmetic number, because the mean of its divisors is an integer number (3158001).

Almost surely, 2^158326272 is an apocalyptic number.

158326272 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 158326272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252640080).

158326272 is an abundant number, since it is smaller than the sum of its proper divisors (346953888).

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

158326272 is an equidigital number, since it uses as much as digits as its factorization.

158326272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 899 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 158326272 is about 12582.7768000549. The cubic root of 158326272 is about 540.9838852750.

The spelling of 158326272 in words is "one hundred fifty-eight million, three hundred twenty-six thousand, two hundred seventy-two".