158733856 has 36 divisors (see below), whose sum is σ = 326720142. Its totient is φ = 75908096.

The previous prime is 158733829. The next prime is 158733859. The reversal of 158733856 is 658337851.

It can be written as a sum of positive squares in only one way, i.e., 154256400 + 4477456 = 12420^2 + 2116^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (158733859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12240 + ... + 21616.

Almost surely, 2^158733856 is an apocalyptic number.

158733856 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 158733856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163360071).

158733856 is an abundant number, since it is smaller than the sum of its proper divisors (167986286).

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

158733856 is an equidigital number, since it uses as much as digits as its factorization.

158733856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9402 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 158733856 is about 12598.9624969678. The cubic root of 158733856 is about 541.4477110889.

The spelling of 158733856 in words is "one hundred fifty-eight million, seven hundred thirty-three thousand, eight hundred fifty-six".