158449536 has 192 divisors, whose sum is σ = 533052000. Its totient is φ = 45158400.

The previous prime is 158449519. The next prime is 158449561. The reversal of 158449536 is 635944851.

158449536 is a `hidden beast` number, since 158 + 4 + 495 + 3 + 6 = 666.

158449536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 158449491 and 158449500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394936 + ... + 395336.

Almost surely, 2^158449536 is an apocalyptic number.

158449536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158449536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266526000).

158449536 is an abundant number, since it is smaller than the sum of its proper divisors (374602464).

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

158449536 is an equidigital number, since it uses as much as digits as its factorization.

158449536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 413 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 158449536 is about 12587.6739709924. The cubic root of 158449536 is about 541.1242421445.

The spelling of 158449536 in words is "one hundred fifty-eight million, four hundred forty-nine thousand, five hundred thirty-six".