158542980 has 24 divisors (see below), whose sum is σ = 443920512. Its totient is φ = 42278112.

The previous prime is 158542963. The next prime is 158542987. The reversal of 158542980 is 89245851.

It is a happy number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (158542987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321132 + ... + 1321251.

It is an arithmetic number, because the mean of its divisors is an integer number (18496688).

Almost surely, 2^158542980 is an apocalyptic number.

158542980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158542980 is an abundant number, since it is smaller than the sum of its proper divisors (285377532).

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

158542980 is a wasteful number, since it uses less digits than its factorization.

158542980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642395 (or 2642393 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 158542980 is about 12591.3851501731. The cubic root of 158542980 is about 541.2305954104.

The spelling of 158542980 in words is "one hundred fifty-eight million, five hundred forty-two thousand, nine hundred eighty".