158289056 has 24 divisors (see below), whose sum is σ = 311912244. Its totient is φ = 79073280.

The previous prime is 158289017. The next prime is 158289073. The reversal of 158289056 is 650982851.

It can be written as a sum of positive squares in 2 ways, for example, as 144480400 + 13808656 = 12020^2 + 3716^2 .

It is a super-2 number, since 2×158289056² = 50110850498742272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158288998 and 158289016.

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 3 ways as a sum of consecutive naturals, for example, 66446 + ... + 68786.

Almost surely, 2^158289056 is an apocalyptic number.

158289056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

158289056 is a deficient number, since it is larger than the sum of its proper divisors (153623188).

158289056 is a wasteful number, since it uses less digits than its factorization.

158289056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4456 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 158289056 is about 12581.2978662775. The cubic root of 158289056 is about 540.9414942603.

The spelling of 158289056 in words is "one hundred fifty-eight million, two hundred eighty-nine thousand, fifty-six".