158026856 has 32 divisors (see below), whose sum is σ = 320786760. Its totient is φ = 72548352.

The previous prime is 158026793. The next prime is 158026861. The reversal of 158026856 is 658620851.

It can be written as a sum of positive squares in 4 ways, for example, as 42120100 + 115906756 = 6490^2 + 10766^2 .

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, 16136 + ... + 24008.

Almost surely, 2^158026856 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 158026856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160393380).

158026856 is an abundant number, since it is smaller than the sum of its proper divisors (162759904).

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

158026856 is a wasteful number, since it uses less digits than its factorization.

158026856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085 (or 8081 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 158026856 is about 12570.8733189067. The cubic root of 158026856 is about 540.6426459586.

The spelling of 158026856 in words is "one hundred fifty-eight million, twenty-six thousand, eight hundred fifty-six".