157374479 has 4 divisors (see below), whose sum is σ = 157459680. Its totient is φ = 157289280.

The previous prime is 157374461. The next prime is 157374493. The reversal of 157374479 is 974473751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974473751 = 269 ⋅3622579.

It is a cyclic number.

It is not a de Polignac number, because 157374479 - 2²⁰ = 156325903 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 (157374419) 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, 39767 + ... + 43544.

It is an arithmetic number, because the mean of its divisors is an integer number (39364920).

Almost surely, 2^157374479 is an apocalyptic number.

157374479 is a deficient number, since it is larger than the sum of its proper divisors (85201).

157374479 is an equidigital number, since it uses as much as digits as its factorization.

157374479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85200.

The product of its digits is 740880, while the sum is 47.

The square root of 157374479 is about 12544.8985248985. The cubic root of 157374479 is about 539.8976474965.

The spelling of 157374479 in words is "one hundred fifty-seven million, three hundred seventy-four thousand, four hundred seventy-nine".