159523980 has 288 divisors, whose sum is σ = 582016512. Its totient is φ = 31933440.

The previous prime is 159523963. The next prime is 159523993. The reversal of 159523980 is 89325951.

159523980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2185224 + ... + 2185296.

Almost surely, 2^159523980 is an apocalyptic number.

159523980 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 159523980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291008256).

159523980 is an abundant number, since it is smaller than the sum of its proper divisors (422492532).

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

159523980 is a wasteful number, since it uses less digits than its factorization.

159523980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 159523980 is about 12630.2802819257. The cubic root of 159523980 is about 542.3446064026.

The spelling of 159523980 in words is "one hundred fifty-nine million, five hundred twenty-three thousand, nine hundred eighty".