158855628 has 48 divisors (see below), whose sum is σ = 381550176. Its totient is φ = 51417600.

The previous prime is 158855623. The next prime is 158855647. The reversal of 158855628 is 826558851.

It is a super-2 number, since 2×158855628² = 50470221094548768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158855623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63000 + ... + 65472.

It is an arithmetic number, because the mean of its divisors is an integer number (7948962).

Almost surely, 2^158855628 is an apocalyptic number.

It is an amenable number.

158855628 is an abundant number, since it is smaller than the sum of its proper divisors (222694548).

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

158855628 is a wasteful number, since it uses less digits than its factorization.

158855628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2632 counting only the distinct ones).

The product of its digits is 768000, while the sum is 48.

The square root of 158855628 is about 12603.7941906396. The cubic root of 158855628 is about 541.5861321320.

The spelling of 158855628 in words is "one hundred fifty-eight million, eight hundred fifty-five thousand, six hundred twenty-eight".