157052720 has 40 divisors (see below), whose sum is σ = 398345040. Its totient is φ = 57109760.

The previous prime is 157052659. The next prime is 157052743. The reversal of 157052720 is 27250751.

157052720 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 (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88355 + ... + 90114.

It is an arithmetic number, because the mean of its divisors is an integer number (9958626).

Almost surely, 2^157052720 is an apocalyptic number.

157052720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157052720 is an abundant number, since it is smaller than the sum of its proper divisors (241292320).

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

157052720 is a wasteful number, since it uses less digits than its factorization.

157052720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178493 (or 178487 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 157052720 is about 12532.0676665904. The cubic root of 157052720 is about 539.5294483375.

The spelling of 157052720 in words is "one hundred fifty-seven million, fifty-two thousand, seven hundred twenty".