159278976 has 144 divisors (see below), whose sum is σ = 484997760. Its totient is φ = 50167296.

The previous prime is 159278963. The next prime is 159278981. The reversal of 159278976 is 679872951.

159278976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (1905120) is a multiple of the sum of its prime factors (441).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 415681 + ... + 416063.

It is an arithmetic number, because the mean of its divisors is an integer number (3368040).

Almost surely, 2^159278976 is an apocalyptic number.

159278976 is a gapful number since it is divisible by the number (16) 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 159278976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242498880).

159278976 is an abundant number, since it is smaller than the sum of its proper divisors (325718784).

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

159278976 is a wasteful number, since it uses less digits than its factorization.

159278976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 407 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 159278976 is about 12620.5774828254. The cubic root of 159278976 is about 542.0668118416.

The spelling of 159278976 in words is "one hundred fifty-nine million, two hundred seventy-eight thousand, nine hundred seventy-six".