157604431151 has 4 divisors (see below), whose sum is σ = 158026963512. Its totient is φ = 157181898792.

The previous prime is 157604431141. The next prime is 157604431169. The reversal of 157604431151 is 151134406751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151134406751 = 372299 ⋅405949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157604431151 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 (157604431141) 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, 211265621 + ... + 211266366.

It is an arithmetic number, because the mean of its divisors is an integer number (39506740878).

Almost surely, 2^157604431151 is an apocalyptic number.

157604431151 is a deficient number, since it is larger than the sum of its proper divisors (422532361).

157604431151 is an equidigital number, since it uses as much as digits as its factorization.

157604431151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422532360.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 157604431151 in words is "one hundred fifty-seven billion, six hundred four million, four hundred thirty-one thousand, one hundred fifty-one".