158856479 has 4 divisors (see below), whose sum is σ = 158960976. Its totient is φ = 158751984.

The previous prime is 158856443. The next prime is 158856521. The reversal of 158856479 is 974658851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158856479 - 2²⁴ = 142079263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158856479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158856779) 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 3 ways as a sum of consecutive naturals, for example, 49934 + ... + 53019.

It is an arithmetic number, because the mean of its divisors is an integer number (39740244).

Almost surely, 2^158856479 is an apocalyptic number.

158856479 is a deficient number, since it is larger than the sum of its proper divisors (104497).

158856479 is a wasteful number, since it uses less digits than its factorization.

158856479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104496.

The product of its digits is 2419200, while the sum is 53.

The square root of 158856479 is about 12603.8279502697. The cubic root of 158856479 is about 541.5870992344.

The spelling of 158856479 in words is "one hundred fifty-eight million, eight hundred fifty-six thousand, four hundred seventy-nine".