157852224 has 84 divisors (see below), whose sum is σ = 455279760. Its totient is φ = 52289280.

The previous prime is 157852213. The next prime is 157852267. The reversal of 157852224 is 422258751.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102339 + ... + 103869.

Almost surely, 2^157852224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157852224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227639880).

157852224 is an abundant number, since it is smaller than the sum of its proper divisors (297427536).

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

157852224 is a wasteful number, since it uses less digits than its factorization.

157852224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1715 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 157852224 is about 12563.9255012118. The cubic root of 157852224 is about 540.4434217921.

The spelling of 157852224 in words is "one hundred fifty-seven million, eight hundred fifty-two thousand, two hundred twenty-four".