159848640 has 280 divisors, whose sum is σ = 650577312. Its totient is φ = 36495360.

The previous prime is 159848629. The next prime is 159848659. The reversal of 159848640 is 46848951.

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 (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 181000 + ... + 181880.

Almost surely, 2^159848640 is an apocalyptic number.

159848640 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 159848640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325288656).

159848640 is an abundant number, since it is smaller than the sum of its proper divisors (490728672).

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

159848640 is an equidigital number, since it uses as much as digits as its factorization.

159848640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 159848640 is about 12643.1261956844. The cubic root of 159848640 is about 542.7122800379.

The spelling of 159848640 in words is "one hundred fifty-nine million, eight hundred forty-eight thousand, six hundred forty".