157112740 has 12 divisors (see below), whose sum is σ = 329936796. Its totient is φ = 62845088.

The previous prime is 157112731. The next prime is 157112741. The reversal of 157112740 is 47211751.

157112740 is digitally balanced in base 2, because in such base 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 26604964 + 130507776 = 5158^2 + 11424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157112699 and 157112708.

It is not an unprimeable number, because it can be changed into a prime (157112741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927799 + ... + 3927838.

It is an arithmetic number, because the mean of its divisors is an integer number (27494733).

Almost surely, 2^157112740 is an apocalyptic number.

157112740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157112740 is an abundant number, since it is smaller than the sum of its proper divisors (172824056).

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

157112740 is a wasteful number, since it uses less digits than its factorization.

157112740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855646 (or 7855644 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 157112740 is about 12534.4620945615. The cubic root of 157112740 is about 539.5981692808.

The spelling of 157112740 in words is "one hundred fifty-seven million, one hundred twelve thousand, seven hundred forty".