157628630 has 24 divisors (see below), whose sum is σ = 293868432. Its totient is φ = 60874016.

The previous prime is 157628623. The next prime is 157628633. The reversal of 157628630 is 36826751.

157628630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157628633) 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, 962 + ... + 17781.

It is an arithmetic number, because the mean of its divisors is an integer number (12244518).

Almost surely, 2^157628630 is an apocalyptic number.

157628630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157628630 is a deficient number, since it is larger than the sum of its proper divisors (136239802).

157628630 is a wasteful number, since it uses less digits than its factorization.

157628630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18808 (or 18779 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 157628630 is about 12555.0240939633. The cubic root of 157628630 is about 540.1881260394.

The spelling of 157628630 in words is "one hundred fifty-seven million, six hundred twenty-eight thousand, six hundred thirty".