158382536 has 32 divisors (see below), whose sum is σ = 321807360. Its totient is φ = 72643392.

The previous prime is 158382529. The next prime is 158382571. The reversal of 158382536 is 635283851.

158382536 = 159² + 160² + ... + 782².

It is a junction number, because it is equal to n+sod(n) for n = 158382493 and 158382502.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12281 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (10056480).

Almost surely, 2^158382536 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 158382536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160903680).

158382536 is an abundant number, since it is smaller than the sum of its proper divisors (163424824).

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

158382536 is a wasteful number, since it uses less digits than its factorization.

158382536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525 (or 9521 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 158382536 is about 12585.0123559733. The cubic root of 158382536 is about 541.0479603694.

The spelling of 158382536 in words is "one hundred fifty-eight million, three hundred eighty-two thousand, five hundred thirty-six".