158449792 has 32 divisors (see below), whose sum is σ = 334234620. Its totient is φ = 74563584.

The previous prime is 158449787. The next prime is 158449813. The reversal of 158449792 is 297944851.

It can be written as a sum of positive squares in 2 ways, for example, as 155151936 + 3297856 = 12456^2 + 1816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34233 + ... + 38584.

Almost surely, 2^158449792 is an apocalyptic number.

It is an amenable number.

158449792 is an abundant number, since it is smaller than the sum of its proper divisors (175784828).

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

158449792 is an equidigital number, since it uses as much as digits as its factorization.

158449792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72848 (or 72836 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 158449792 is about 12587.6841396660. The cubic root of 158449792 is about 541.1245335679.

The spelling of 158449792 in words is "one hundred fifty-eight million, four hundred forty-nine thousand, seven hundred ninety-two".