159456725 has 12 divisors (see below), whose sum is σ = 198736164. Its totient is φ = 126913920.

The previous prime is 159456707. The next prime is 159456733. The reversal of 159456725 is 527654951.

159456725 = T₄₁₉ + T₄₂₀ + ... + T₁₀₀₉.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10201636 + 149255089 = 3194^2 + 12217^2 .

It is not a de Polignac number, because 159456725 - 2⁸ = 159456469 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11264 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (16561347).

Almost surely, 2^159456725 is an apocalyptic number.

It is an amenable number.

159456725 is a deficient number, since it is larger than the sum of its proper divisors (39279439).

159456725 is a wasteful number, since it uses less digits than its factorization.

159456725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32584 (or 32579 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 159456725 is about 12627.6175504329. The cubic root of 159456725 is about 542.2683785450.

The spelling of 159456725 in words is "one hundred fifty-nine million, four hundred fifty-six thousand, seven hundred twenty-five".