158014728 has 48 divisors (see below), whose sum is σ = 453133980. Its totient is φ = 49572864.

The previous prime is 158014721. The next prime is 158014729. The reversal of 158014728 is 827410851.

158014728 is a `hidden beast` number, since 1 + 580 + 1 + 4 + 72 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157703364 + 311364 = 12558^2 + 558^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 158014692 and 158014701.

It is not an unprimeable number, because it can be changed into a prime (158014721) 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, 63325 + ... + 65772.

Almost surely, 2^158014728 is an apocalyptic number.

158014728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158014728 is an abundant number, since it is smaller than the sum of its proper divisors (295119252).

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

158014728 is a wasteful number, since it uses less digits than its factorization.

158014728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129126 (or 129119 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 158014728 is about 12570.3909247087. The cubic root of 158014728 is about 540.6288148037.

The spelling of 158014728 in words is "one hundred fifty-eight million, fourteen thousand, seven hundred twenty-eight".