159444480 has 160 divisors (see below), whose sum is σ = 549277344. Its totient is φ = 39223296.

The previous prime is 159444457. The next prime is 159444497. The reversal of 159444480 is 84444951.

159444480 = 202² + 203² + ... + 786².

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99042 + ... + 100638.

Almost surely, 2^159444480 is an apocalyptic number.

159444480 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 159444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274638672).

159444480 is an abundant number, since it is smaller than the sum of its proper divisors (389832864).

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

159444480 is a wasteful number, since it uses less digits than its factorization.

159444480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 159444480 is about 12627.1326911536. The cubic root of 159444480 is about 542.2544975662.

The spelling of 159444480 in words is "one hundred fifty-nine million, four hundred forty-four thousand, four hundred eighty".