159023280 has 80 divisors (see below), whose sum is σ = 530903520. Its totient is φ = 39143424.

The previous prime is 159023257. The next prime is 159023281. The reversal of 159023280 is 82320951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (159023281) 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 15 ways as a sum of consecutive naturals, for example, 22365 + ... + 28604.

It is an arithmetic number, because the mean of its divisors is an integer number (6636294).

Almost surely, 2^159023280 is an apocalyptic number.

159023280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159023280 is an abundant number, since it is smaller than the sum of its proper divisors (371880240).

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

159023280 is a wasteful number, since it uses less digits than its factorization.

159023280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50998 (or 50992 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 159023280 is about 12610.4432911774. The cubic root of 159023280 is about 541.7765903406.

The spelling of 159023280 in words is "one hundred fifty-nine million, twenty-three thousand, two hundred eighty".