157211180 has 24 divisors (see below), whose sum is σ = 377307168. Its totient is φ = 53900928.

The previous prime is 157211161. The next prime is 157211183. The reversal of 157211180 is 81112751.

It is not an unprimeable number, because it can be changed into a prime (157211183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561329 + ... + 561608.

It is an arithmetic number, because the mean of its divisors is an integer number (15721132).

Almost surely, 2^157211180 is an apocalyptic number.

157211180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157211180 is an abundant number, since it is smaller than the sum of its proper divisors (220095988).

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

157211180 is a wasteful number, since it uses less digits than its factorization.

157211180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122953 (or 1122951 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 26.

The square root of 157211180 is about 12538.3882536792. The cubic root of 157211180 is about 539.7108419892.

The spelling of 157211180 in words is "one hundred fifty-seven million, two hundred eleven thousand, one hundred eighty".