158375291 has 2 divisors, whose sum is σ = 158375292. Its totient is φ = 158375290.

The previous prime is 158375257. The next prime is 158375297. The reversal of 158375291 is 192573851.

It is a strong prime.

It is an emirp because it is prime and its reverse (192573851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158375291 - 2¹⁸ = 158113147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (158375297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79187645 + 79187646.

It is an arithmetic number, because the mean of its divisors is an integer number (79187646).

Almost surely, 2^158375291 is an apocalyptic number.

158375291 is a deficient number, since it is larger than the sum of its proper divisors (1).

158375291 is an equidigital number, since it uses as much as digits as its factorization.

158375291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The square root of 158375291 is about 12584.7245102942. The cubic root of 158375291 is about 541.0397104021.

The spelling of 158375291 in words is "one hundred fifty-eight million, three hundred seventy-five thousand, two hundred ninety-one".