158949426 has 16 divisors (see below), whose sum is σ = 318112704. Its totient is φ = 52947504.

The previous prime is 158949391. The next prime is 158949433. The reversal of 158949426 is 624949851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (19882044).

Almost surely, 2^158949426 is an apocalyptic number.

158949426 is an abundant number, since it is smaller than the sum of its proper divisors (159163278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158949426 is a wasteful number, since it uses less digits than its factorization.

158949426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17825.

The product of its digits is 622080, while the sum is 48.

The square root of 158949426 is about 12607.5146638820. The cubic root of 158949426 is about 541.6927062617.

It can be divided in two parts, 1589 and 49426, that added together give a palindrome (51015).

The spelling of 158949426 in words is "one hundred fifty-eight million, nine hundred forty-nine thousand, four hundred twenty-six".