157514869 has 2 divisors, whose sum is σ = 157514870. Its totient is φ = 157514868.

The previous prime is 157514867. The next prime is 157514873. The reversal of 157514869 is 968415751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151609969 + 5904900 = 12313^2 + 2430^2 .

It is an emirp because it is prime and its reverse (968415751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157514869 - 2¹ = 157514867 is a prime.

It is a super-2 number, since 2×157514869² = 49621867912174322, which contains 22 as substring.

Together with 157514867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157514867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78757434 + 78757435.

It is an arithmetic number, because the mean of its divisors is an integer number (78757435).

Almost surely, 2^157514869 is an apocalyptic number.

It is an amenable number.

157514869 is a deficient number, since it is larger than the sum of its proper divisors (1).

157514869 is an equidigital number, since it uses as much as digits as its factorization.

157514869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 46.

The square root of 157514869 is about 12550.4927791701. The cubic root of 157514869 is about 540.0581430306.

The spelling of 157514869 in words is "one hundred fifty-seven million, five hundred fourteen thousand, eight hundred sixty-nine".