157140532 has 12 divisors (see below), whose sum is σ = 275421636. Its totient is φ = 78448640.

The previous prime is 157140493. The next prime is 157140553. The reversal of 157140532 is 235041751.

It is a happy number.

157140532 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 101727396 + 55413136 = 10086^2 + 7444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157140532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27469 + ... + 32692.

It is an arithmetic number, because the mean of its divisors is an integer number (22951803).

Almost surely, 2^157140532 is an apocalyptic number.

It is an amenable number.

157140532 is a deficient number, since it is larger than the sum of its proper divisors (118281104).

157140532 is a wasteful number, since it uses less digits than its factorization.

157140532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60818 (or 60816 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 157140532 is about 12535.5706691000. The cubic root of 157140532 is about 539.6299842865.

The spelling of 157140532 in words is "one hundred fifty-seven million, one hundred forty thousand, five hundred thirty-two".