158856229 has 16 divisors (see below), whose sum is σ = 188496000. Its totient is φ = 130987584.

The previous prime is 158856209. The next prime is 158856241. The reversal of 158856229 is 922658851.

It is not a de Polignac number, because 158856229 - 2²⁵ = 125301797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158856209) 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, 61047 + ... + 63595.

It is an arithmetic number, because the mean of its divisors is an integer number (11781000).

Almost surely, 2^158856229 is an apocalyptic number.

It is an amenable number.

158856229 is a deficient number, since it is larger than the sum of its proper divisors (29639771).

158856229 is a wasteful number, since it uses less digits than its factorization.

158856229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892.

The product of its digits is 345600, while the sum is 46.

The square root of 158856229 is about 12603.8180326439. The cubic root of 158856229 is about 541.5868151271.

The spelling of 158856229 in words is "one hundred fifty-eight million, eight hundred fifty-six thousand, two hundred twenty-nine".