157159523 has 2 divisors, whose sum is σ = 157159524. Its totient is φ = 157159522.

The previous prime is 157159489. The next prime is 157159537. The reversal of 157159523 is 325951751.

It is a strong prime.

It is an emirp because it is prime and its reverse (325951751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157159523 - 2⁶ = 157159459 is a prime.

It is equal to p_8824088 and since 157159523 and 8824088 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (157159573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78579761 + 78579762.

It is an arithmetic number, because the mean of its divisors is an integer number (78579762).

Almost surely, 2^157159523 is an apocalyptic number.

157159523 is a deficient number, since it is larger than the sum of its proper divisors (1).

157159523 is an equidigital number, since it uses as much as digits as its factorization.

157159523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47250, while the sum is 38.

The square root of 157159523 is about 12536.3281306769. The cubic root of 157159523 is about 539.6517221541.

The spelling of 157159523 in words is "one hundred fifty-seven million, one hundred fifty-nine thousand, five hundred twenty-three".