158730828 has 48 divisors (see below), whose sum is σ = 376696320. Its totient is φ = 52015104.

The previous prime is 158730821. The next prime is 158730857. The reversal of 158730828 is 828037851.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 158730828.

It is not an unprimeable number, because it can be changed into a prime (158730821) 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, 206028 + ... + 206796.

It is an arithmetic number, because the mean of its divisors is an integer number (7847840).

Almost surely, 2^158730828 is an apocalyptic number.

It is an amenable number.

158730828 is an abundant number, since it is smaller than the sum of its proper divisors (217965492).

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

158730828 is a wasteful number, since it uses less digits than its factorization.

158730828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 158730828 is about 12598.8423277696. The cubic root of 158730828 is about 541.4442681895. Note that the first 3 decimals are identical.

The spelling of 158730828 in words is "one hundred fifty-eight million, seven hundred thirty thousand, eight hundred twenty-eight".