159894945 has 128 divisors (see below), whose sum is σ = 354585600. Its totient is φ = 66686976.

The previous prime is 159894929. The next prime is 159894953. The reversal of 159894945 is 549498951.

159894945 is a `hidden beast` number, since 1 + 598 + 9 + 4 + 9 + 45 = 666.

159894945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159894945 - 2⁴ = 159894929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159894891 and 159894900.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 594271 + ... + 594539.

It is an arithmetic number, because the mean of its divisors is an integer number (2770200).

Almost surely, 2^159894945 is an apocalyptic number.

159894945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159894945 is an abundant number, since it is smaller than the sum of its proper divisors (194690655).

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

159894945 is a wasteful number, since it uses less digits than its factorization.

159894945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 159894945 is about 12644.9572953016. The cubic root of 159894945 is about 542.7646793283.

The spelling of 159894945 in words is "one hundred fifty-nine million, eight hundred ninety-four thousand, nine hundred forty-five".