158449504 has 48 divisors (see below), whose sum is σ = 325775520. Its totient is φ = 75765760.

The previous prime is 158449483. The next prime is 158449519. The reversal of 158449504 is 405944851.

It is a congruent number.

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, 104109 + ... + 105619.

It is an arithmetic number, because the mean of its divisors is an integer number (6786990).

Almost surely, 2^158449504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158449504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162887760).

158449504 is an abundant number, since it is smaller than the sum of its proper divisors (167326016).

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

158449504 is a wasteful number, since it uses less digits than its factorization.

158449504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 158449504 is about 12587.6726999076. The cubic root of 158449504 is about 541.1242057165.

The spelling of 158449504 in words is "one hundred fifty-eight million, four hundred forty-nine thousand, five hundred four".