159240025 has 48 divisors (see below), whose sum is σ = 235699200. Its totient is φ = 104428800.

The previous prime is 159240019. The next prime is 159240043. The reversal of 159240025 is 520042951.

It is not a de Polignac number, because 159240025 - 2¹⁷ = 159108953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159239975 and 159240002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 808227 + ... + 808423.

It is an arithmetic number, because the mean of its divisors is an integer number (4910400).

Almost surely, 2^159240025 is an apocalyptic number.

It is an amenable number.

159240025 is a deficient number, since it is larger than the sum of its proper divisors (76459175).

159240025 is a wasteful number, since it uses less digits than its factorization.

159240025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 159240025 is about 12619.0342340450. The cubic root of 159240025 is about 542.0226215238.

Adding to 159240025 its reverse (520042951), we get a palindrome (679282976).

The spelling of 159240025 in words is "one hundred fifty-nine million, two hundred forty thousand, twenty-five".