157087224 has 48 divisors (see below), whose sum is σ = 486223920. Its totient is φ = 44881920.

The previous prime is 157087201. The next prime is 157087241. The reversal of 157087224 is 422780751.

157087224 is a `hidden beast` number, since 1 + 570 + 87 + 2 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155337 + ... + 156344.

It is an arithmetic number, because the mean of its divisors is an integer number (10129665).

Almost surely, 2^157087224 is an apocalyptic number.

157087224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157087224 is an abundant number, since it is smaller than the sum of its proper divisors (329136696).

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

157087224 is a wasteful number, since it uses less digits than its factorization.

157087224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311700 (or 311693 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 157087224 is about 12533.4442193676. Note that the first 3 decimals coincide. The cubic root of 157087224 is about 539.5689564317.

The spelling of 157087224 in words is "one hundred fifty-seven million, eighty-seven thousand, two hundred twenty-four".