157202568 has 48 divisors (see below), whose sum is σ = 428891580. Its totient is φ = 52015104.

The previous prime is 157202557. The next prime is 157202597. The reversal of 157202568 is 865202751.

It is a happy number.

157202568 is a `hidden beast` number, since 1 + 572 + 0 + 25 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 153809604 + 3392964 = 12402^2 + 1842^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 17832.

Almost surely, 2^157202568 is an apocalyptic number.

157202568 is a gapful number since it is divisible by the number (18) 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 157202568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214445790).

157202568 is an abundant number, since it is smaller than the sum of its proper divisors (271689012).

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

157202568 is a wasteful number, since it uses less digits than its factorization.

157202568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086 (or 16079 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 157202568 is about 12538.0448236557. The cubic root of 157202568 is about 539.7009867218.

The spelling of 157202568 in words is "one hundred fifty-seven million, two hundred two thousand, five hundred sixty-eight".