157399202 has 4 divisors (see below), whose sum is σ = 236098806. Its totient is φ = 78699600.

The previous prime is 157399181. The next prime is 157399217. The reversal of 157399202 is 202993751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133379401 + 24019801 = 11549^2 + 4901^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39349799 + ... + 39349802.

Almost surely, 2^157399202 is an apocalyptic number.

157399202 is a deficient number, since it is larger than the sum of its proper divisors (78699604).

157399202 is an equidigital number, since it uses as much as digits as its factorization.

157399202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78699603.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 157399202 is about 12545.8838668306. The cubic root of 157399202 is about 539.9259180494.

The spelling of 157399202 in words is "one hundred fifty-seven million, three hundred ninety-nine thousand, two hundred two".