157625220 has 48 divisors (see below), whose sum is σ = 448596288. Its totient is φ = 41343360.

The previous prime is 157625203. The next prime is 157625261. The reversal of 157625220 is 22526751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17874 + ... + 25193.

It is an arithmetic number, because the mean of its divisors is an integer number (9345756).

Almost surely, 2^157625220 is an apocalyptic number.

157625220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157625220 is an abundant number, since it is smaller than the sum of its proper divisors (290971068).

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

157625220 is a wasteful number, since it uses less digits than its factorization.

157625220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43140 (or 43138 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 157625220 is about 12554.8882910204. Note that the first 3 decimals coincide. The cubic root of 157625220 is about 540.1842306921.

It can be divided in two parts, 1576 and 25220, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 157625220 in words is "one hundred fifty-seven million, six hundred twenty-five thousand, two hundred twenty".