157505370 has 64 divisors (see below), whose sum is σ = 414681984. Its totient is φ = 37969920.

The previous prime is 157505363. The next prime is 157505393. The reversal of 157505370 is 73505751.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62454 + ... + 64926.

It is an arithmetic number, because the mean of its divisors is an integer number (6479406).

Almost surely, 2^157505370 is an apocalyptic number.

157505370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157505370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207340992).

157505370 is an abundant number, since it is smaller than the sum of its proper divisors (257176614).

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

157505370 is a wasteful number, since it uses less digits than its factorization.

157505370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 157505370 is about 12550.1143421086. The cubic root of 157505370 is about 540.0472866684.

The spelling of 157505370 in words is "one hundred fifty-seven million, five hundred five thousand, three hundred seventy".