159252874225 has 9 divisors (see below), whose sum is σ = 197476038273. Its totient is φ = 127400703120.

The previous prime is 159252874219. The next prime is 159252874241. The reversal of 159252874225 is 522478252951.

It is a happy number.

The square root of 159252874225 is 399065.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39741618609 + 119511255616 = 199353^2 + 345704^2 .

It is not a de Polignac number, because 159252874225 - 2³¹ = 157105390577 is a prime.

It is a super-2 number, since 2×159252874225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1955419 + ... + 2035231.

Almost surely, 2^159252874225 is an apocalyptic number.

159252874225 is the 399065-th square number.

159252874225 is the 199533-rd centered octagonal number.

It is an amenable number.

159252874225 is a deficient number, since it is larger than the sum of its proper divisors (38223164048).

159252874225 is an frugal number, since it uses more digits than its factorization.

159252874225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159636 (or 79818 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 52.

The spelling of 159252874225 in words is "one hundred fifty-nine billion, two hundred fifty-two million, eight hundred seventy-four thousand, two hundred twenty-five".