157245680 has 20 divisors (see below), whose sum is σ = 365596392. Its totient is φ = 62898240.

The previous prime is 157245667. The next prime is 157245721. The reversal of 157245680 is 86542751.

157245680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

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, 982706 + ... + 982865.

Almost surely, 2^157245680 is an apocalyptic number.

157245680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157245680 is an abundant number, since it is smaller than the sum of its proper divisors (208350712).

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

157245680 is a wasteful number, since it uses less digits than its factorization.

157245680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965584 (or 1965578 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 157245680 is about 12539.7639531213. The cubic root of 157245680 is about 539.7503189572.

The spelling of 157245680 in words is "one hundred fifty-seven million, two hundred forty-five thousand, six hundred eighty".