158125769 has 2 divisors, whose sum is σ = 158125770. Its totient is φ = 158125768.

The previous prime is 158125757. The next prime is 158125783. The reversal of 158125769 is 967521851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155950144 + 2175625 = 12488^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 158125769 - 2¹² = 158121673 is a prime.

It is a super-2 number, since 2×158125769² = 50007517643682722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158125169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79062884 + 79062885.

It is an arithmetic number, because the mean of its divisors is an integer number (79062885).

Almost surely, 2^158125769 is an apocalyptic number.

It is an amenable number.

158125769 is a deficient number, since it is larger than the sum of its proper divisors (1).

158125769 is an equidigital number, since it uses as much as digits as its factorization.

158125769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 44.

The square root of 158125769 is about 12574.8069170067. The cubic root of 158125769 is about 540.7554230604.

The spelling of 158125769 in words is "one hundred fifty-eight million, one hundred twenty-five thousand, seven hundred sixty-nine".