158926229 has 16 divisors (see below), whose sum is σ = 199029120. Its totient is φ = 123284160.

The previous prime is 158926199. The next prime is 158926247. The reversal of 158926229 is 922629851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158926229 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 158926229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158926259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13127 + ... + 22139.

It is an arithmetic number, because the mean of its divisors is an integer number (12439320).

Almost surely, 2^158926229 is an apocalyptic number.

It is an amenable number.

158926229 is a deficient number, since it is larger than the sum of its proper divisors (40102891).

158926229 is a wasteful number, since it uses less digits than its factorization.

158926229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its digits is 155520, while the sum is 44.

The square root of 158926229 is about 12606.5946631118. The cubic root of 158926229 is about 541.6663535251. Note that the first 3 decimals are identical.

The spelling of 158926229 in words is "one hundred fifty-eight million, nine hundred twenty-six thousand, two hundred twenty-nine".