158849980 has 12 divisors (see below), whose sum is σ = 333585000. Its totient is φ = 63539984.

The previous prime is 158849969. The next prime is 158849987. The reversal of 158849980 is 89948851.

158849980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158849980² = 50466632292000800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158849987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3971230 + ... + 3971269.

It is an arithmetic number, because the mean of its divisors is an integer number (27798750).

Almost surely, 2^158849980 is an apocalyptic number.

158849980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158849980 is an abundant number, since it is smaller than the sum of its proper divisors (174735020).

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

158849980 is a wasteful number, since it uses less digits than its factorization.

158849980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942508 (or 7942506 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 158849980 is about 12603.5701291340. The cubic root of 158849980 is about 541.5797134847.

The spelling of 158849980 in words is "one hundred fifty-eight million, eight hundred forty-nine thousand, nine hundred eighty".