158291280 has 480 divisors, whose sum is σ = 680313600. Its totient is φ = 33094656.

The previous prime is 158291257. The next prime is 158291297. The reversal of 158291280 is 82192851.

158291280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158291280² = 50112258648076800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5458306 + ... + 5458334.

It is an arithmetic number, because the mean of its divisors is an integer number (1417320).

Almost surely, 2^158291280 is an apocalyptic number.

158291280 is a gapful number since it is divisible by the number (10) 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 158291280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340156800).

158291280 is an abundant number, since it is smaller than the sum of its proper divisors (522022320).

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

158291280 is a wasteful number, since it uses less digits than its factorization.

158291280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 158291280 is about 12581.3862511251. The cubic root of 158291280 is about 540.9440277019.

The spelling of 158291280 in words is "one hundred fifty-eight million, two hundred ninety-one thousand, two hundred eighty".