252112144 has 20 divisors (see below), whose sum is σ = 488902860. Its totient is φ = 125943680.

The previous prime is 252112127. The next prime is 252112163. The reversal of 252112144 is 441211252.

It can be written as a sum of positive squares in 2 ways, for example, as 141610000 + 110502144 = 11900^2 + 10512^2 .

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 3 ways as a sum of consecutive naturals, for example, 13254 + ... + 26074.

It is an arithmetic number, because the mean of its divisors is an integer number (24445143).

Almost surely, 2^252112144 is an apocalyptic number.

It is an amenable number.

252112144 is a deficient number, since it is larger than the sum of its proper divisors (236790716).

252112144 is a wasteful number, since it uses less digits than its factorization.

252112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14058 (or 14052 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 252112144 is about 15878.0396774917. The cubic root of 252112144 is about 631.7296418797.

Adding to 252112144 its reverse (441211252), we get a palindrome (693323396).

The spelling of 252112144 in words is "two hundred fifty-two million, one hundred twelve thousand, one hundred forty-four".