157252122 has 24 divisors (see below), whose sum is σ = 343901376. Its totient is φ = 51926856.

The previous prime is 157252111. The next prime is 157252129. The reversal of 157252122 is 221252751.

It is not an unprimeable number, because it can be changed into a prime (157252129) 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, 38898 + ... + 42749.

It is an arithmetic number, because the mean of its divisors is an integer number (14329224).

Almost surely, 2^157252122 is an apocalyptic number.

157252122 is an abundant number, since it is smaller than the sum of its proper divisors (186649254).

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

157252122 is a wasteful number, since it uses less digits than its factorization.

157252122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81762 (or 81759 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 157252122 is about 12540.0208133799. The cubic root of 157252122 is about 539.7576896400.

The spelling of 157252122 in words is "one hundred fifty-seven million, two hundred fifty-two thousand, one hundred twenty-two".