157513469 has 2 divisors, whose sum is σ = 157513470. Its totient is φ = 157513468.

The previous prime is 157513459. The next prime is 157513481. The reversal of 157513469 is 964315751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 67453369 = 9490^2 + 8213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157513469 is a prime.

It is a super-2 number, since 2×157513469² = 49620985832827922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157513459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78756734 + 78756735.

It is an arithmetic number, because the mean of its divisors is an integer number (78756735).

Almost surely, 2^157513469 is an apocalyptic number.

It is an amenable number.

157513469 is a deficient number, since it is larger than the sum of its proper divisors (1).

157513469 is an equidigital number, since it uses as much as digits as its factorization.

157513469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 157513469 is about 12550.4370043437. The cubic root of 157513469 is about 540.0565430047.

The spelling of 157513469 in words is "one hundred fifty-seven million, five hundred thirteen thousand, four hundred sixty-nine".