158957291 has 8 divisors (see below), whose sum is σ = 163421280. Its totient is φ = 154502208.

The previous prime is 158957273. The next prime is 158957303. The reversal of 158957291 is 192759851.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158957291 - 2¹⁰ = 158956267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158957221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52055 + ... + 55023.

It is an arithmetic number, because the mean of its divisors is an integer number (20427660).

Almost surely, 2^158957291 is an apocalyptic number.

158957291 is a deficient number, since it is larger than the sum of its proper divisors (4463989).

158957291 is a wasteful number, since it uses less digits than its factorization.

158957291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453.

The product of its digits is 226800, while the sum is 47.

The square root of 158957291 is about 12607.8265771702. The cubic root of 158957291 is about 541.7016406399.

The spelling of 158957291 in words is "one hundred fifty-eight million, nine hundred fifty-seven thousand, two hundred ninety-one".