159307840 has 56 divisors (see below), whose sum is σ = 381121920. Its totient is φ = 63426048.

The previous prime is 159307831. The next prime is 159307871. The reversal of 159307840 is 48703951.

It is a self number, because there is not a number n which added to its sum of digits gives 159307840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75439 + ... + 77521.

Almost surely, 2^159307840 is an apocalyptic number.

159307840 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 159307840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190560960).

159307840 is an abundant number, since it is smaller than the sum of its proper divisors (221814080).

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

159307840 is a wasteful number, since it uses less digits than its factorization.

159307840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 159307840 is about 12621.7209603128. The cubic root of 159307840 is about 542.0995537050.

The spelling of 159307840 in words is "one hundred fifty-nine million, three hundred seven thousand, eight hundred forty".