158389056 has 168 divisors, whose sum is σ = 524199104. Its totient is φ = 44789760.

The previous prime is 158389031. The next prime is 158389067. The reversal of 158389056 is 650983851.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×158389056² = 50174186121142272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 657096 + ... + 657336.

Almost surely, 2^158389056 is an apocalyptic number.

158389056 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 158389056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262099552).

158389056 is an abundant number, since it is smaller than the sum of its proper divisors (365810048).

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

158389056 is a wasteful number, since it uses less digits than its factorization.

158389056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 158389056 is about 12585.2713915910. The cubic root of 158389056 is about 541.0553845556.

The spelling of 158389056 in words is "one hundred fifty-eight million, three hundred eighty-nine thousand, fifty-six".