159122880 has 280 divisors, whose sum is σ = 647626848. Its totient is φ = 36329472.

The previous prime is 159122861. The next prime is 159122881. The reversal of 159122880 is 88221951.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159122881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 181002 + ... + 181878.

Almost surely, 2^159122880 is an apocalyptic number.

159122880 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 159122880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323813424).

159122880 is an abundant number, since it is smaller than the sum of its proper divisors (488503968).

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

159122880 is an equidigital number, since it uses as much as digits as its factorization.

159122880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 159122880 is about 12614.3917808192. The cubic root of 159122880 is about 541.8896758516.

The spelling of 159122880 in words is "one hundred fifty-nine million, one hundred twenty-two thousand, eight hundred eighty".