157793459 has 2 divisors, whose sum is σ = 157793460. Its totient is φ = 157793458.

The previous prime is 157793413. The next prime is 157793477. The reversal of 157793459 is 954397751.

It is a strong prime.

It is an emirp because it is prime and its reverse (954397751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157793459 - 2⁸ = 157793203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (157793479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78896729 + 78896730.

It is an arithmetic number, because the mean of its divisors is an integer number (78896730).

Almost surely, 2^157793459 is an apocalyptic number.

157793459 is a deficient number, since it is larger than the sum of its proper divisors (1).

157793459 is an equidigital number, since it uses as much as digits as its factorization.

157793459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 50.

The square root of 157793459 is about 12561.5866434141. The cubic root of 157793459 is about 540.3763483003.

The spelling of 157793459 in words is "one hundred fifty-seven million, seven hundred ninety-three thousand, four hundred fifty-nine".