159229980 has 144 divisors (see below), whose sum is σ = 594519744. Its totient is φ = 33592320.

The previous prime is 159229969. The next prime is 159229997. The reversal of 159229980 is 89922951.

159229980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11520 + ... + 21240.

Almost surely, 2^159229980 is an apocalyptic number.

159229980 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 159229980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297259872).

159229980 is an abundant number, since it is smaller than the sum of its proper divisors (435289764).

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

159229980 is a wasteful number, since it uses less digits than its factorization.

159229980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756 (or 9751 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 159229980 is about 12618.6362179120. The cubic root of 159229980 is about 542.0112241971.

The spelling of 159229980 in words is "one hundred fifty-nine million, two hundred twenty-nine thousand, nine hundred eighty".