157325520 has 160 divisors (see below), whose sum is σ = 555393024. Its totient is φ = 36467200.

The previous prime is 157325513. The next prime is 157325521. The reversal of 157325520 is 25523751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157325521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59425 + ... + 62015.

Almost surely, 2^157325520 is an apocalyptic number.

157325520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157325520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277696512).

157325520 is an abundant number, since it is smaller than the sum of its proper divisors (398067504).

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

157325520 is a wasteful number, since it uses less digits than its factorization.

157325520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 157325520 is about 12542.9470221316. The cubic root of 157325520 is about 539.8416545327.

The spelling of 157325520 in words is "one hundred fifty-seven million, three hundred twenty-five thousand, five hundred twenty".