158542080 has 288 divisors, whose sum is σ = 556295040. Its totient is φ = 38338560.

The previous prime is 158542067. The next prime is 158542081. The reversal of 158542080 is 80245851.

It is a super-2 number, since 2×158542080² = 50271182261452800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (158542081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2991334 + ... + 2991386.

It is an arithmetic number, because the mean of its divisors is an integer number (1931580).

Almost surely, 2^158542080 is an apocalyptic number.

158542080 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 158542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278147520).

158542080 is an abundant number, since it is smaller than the sum of its proper divisors (397752960).

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

158542080 is a wasteful number, since it uses less digits than its factorization.

158542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 158542080 is about 12591.3494114015. The cubic root of 158542080 is about 541.2295712750.

The spelling of 158542080 in words is "one hundred fifty-eight million, five hundred forty-two thousand, eighty".