157622002 has 4 divisors (see below), whose sum is σ = 236433006. Its totient is φ = 78811000.

The previous prime is 157621991. The next prime is 157622039. The reversal of 157622002 is 200226751.

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., 146870161 + 10751841 = 12119^2 + 3279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39405499 + ... + 39405502.

Almost surely, 2^157622002 is an apocalyptic number.

157622002 is a deficient number, since it is larger than the sum of its proper divisors (78811004).

157622002 is an equidigital number, since it uses as much as digits as its factorization.

157622002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78811003.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 157622002 is about 12554.7601331129. The cubic root of 157622002 is about 540.1805546207.

Adding to 157622002 its reverse (200226751), we get a palindrome (357848753).

The spelling of 157622002 in words is "one hundred fifty-seven million, six hundred twenty-two thousand, two".