159285280 has 144 divisors (see below), whose sum is σ = 477804096. Its totient is φ = 49620480.

The previous prime is 159285271. The next prime is 159285283. The reversal of 159285280 is 82582951.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (159285283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85317 + ... + 87163.

It is an arithmetic number, because the mean of its divisors is an integer number (3318084).

Almost surely, 2^159285280 is an apocalyptic number.

159285280 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 159285280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238902048).

159285280 is an abundant number, since it is smaller than the sum of its proper divisors (318518816).

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

159285280 is a wasteful number, since it uses less digits than its factorization.

159285280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 159285280 is about 12620.8272312079. The cubic root of 159285280 is about 542.0739631183.

The spelling of 159285280 in words is "one hundred fifty-nine million, two hundred eighty-five thousand, two hundred eighty".