159897375 has 128 divisors (see below), whose sum is σ = 332467200. Its totient is φ = 75168000.

The previous prime is 159897347. The next prime is 159897377. The reversal of 159897375 is 573798951.

It is not a de Polignac number, because 159897375 - 2⁸ = 159897119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159897377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2190339 + ... + 2190411.

It is an arithmetic number, because the mean of its divisors is an integer number (2597400).

Almost surely, 2^159897375 is an apocalyptic number.

159897375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159897375 is an abundant number, since it is smaller than the sum of its proper divisors (172569825).

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

159897375 is a wasteful number, since it uses less digits than its factorization.

159897375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 151 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 54.

The square root of 159897375 is about 12645.0533806702. The cubic root of 159897375 is about 542.7674288659.

The spelling of 159897375 in words is "one hundred fifty-nine million, eight hundred ninety-seven thousand, three hundred seventy-five".