157202983 has 4 divisors (see below), whose sum is σ = 179660560. Its totient is φ = 134745408.

The previous prime is 157202977. The next prime is 157202989. The reversal of 157202983 is 389202751.

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

It is an interprime number because it is at equal distance from previous prime (157202977) and next prime (157202989).

It is not a de Polignac number, because 157202983 - 2⁵ = 157202951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157202989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11228778 + ... + 11228791.

It is an arithmetic number, because the mean of its divisors is an integer number (44915140).

Almost surely, 2^157202983 is an apocalyptic number.

157202983 is a deficient number, since it is larger than the sum of its proper divisors (22457577).

157202983 is an equidigital number, since it uses as much as digits as its factorization.

157202983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22457576.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 157202983 is about 12538.0613732746. The cubic root of 157202983 is about 539.7014616414.

The spelling of 157202983 in words is "one hundred fifty-seven million, two hundred two thousand, nine hundred eighty-three".