157002479 has 2 divisors, whose sum is σ = 157002480. Its totient is φ = 157002478.

The previous prime is 157002473. The next prime is 157002493. The reversal of 157002479 is 974200751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157002479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157002473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78501239 + 78501240.

It is an arithmetic number, because the mean of its divisors is an integer number (78501240).

Almost surely, 2^157002479 is an apocalyptic number.

157002479 is a deficient number, since it is larger than the sum of its proper divisors (1).

157002479 is an equidigital number, since it uses as much as digits as its factorization.

157002479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 157002479 is about 12530.0630086205. The cubic root of 157002479 is about 539.4719105672.

The spelling of 157002479 in words is "one hundred fifty-seven million, two thousand, four hundred seventy-nine".