158864833 has 16 divisors (see below), whose sum is σ = 171920320. Its totient is φ = 146313216.

The previous prime is 158864821. The next prime is 158864837. The reversal of 158864833 is 338468851.

It is a 3-Lehmer number, since φ(158864833) divides (158864833-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 158864833 - 2¹⁷ = 158733761 is a prime.

It is a deceptive number, since it divides R_158864832.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158864837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275041 + ... + 275617.

It is an arithmetic number, because the mean of its divisors is an integer number (10745020).

It is a Poulet number, since it divides 2^158864832-1.

Almost surely, 2^158864833 is an apocalyptic number.

It is an amenable number.

158864833 is a deficient number, since it is larger than the sum of its proper divisors (13055487).

158864833 is a wasteful number, since it uses less digits than its factorization.

158864833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its digits is 552960, while the sum is 46.

The square root of 158864833 is about 12604.1593531659. The cubic root of 158864833 is about 541.5965927918.

The spelling of 158864833 in words is "one hundred fifty-eight million, eight hundred sixty-four thousand, eight hundred thirty-three".