252145251724 has 12 divisors (see below), whose sum is σ = 446212103400. Its totient is φ = 124656079328.

The previous prime is 252145251719. The next prime is 252145251751. The reversal of 252145251724 is 427152541252.

252145251724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354136234 + ... + 354136945.

It is an arithmetic number, because the mean of its divisors is an integer number (37184341950).

Almost surely, 2^252145251724 is an apocalyptic number.

It is an amenable number.

252145251724 is a deficient number, since it is larger than the sum of its proper divisors (194066851676).

252145251724 is a wasteful number, since it uses less digits than its factorization.

252145251724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708273272 (or 708273270 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

Adding to 252145251724 its reverse (427152541252), we get a palindrome (679297792976).

The spelling of 252145251724 in words is "two hundred fifty-two billion, one hundred forty-five million, two hundred fifty-one thousand, seven hundred twenty-four".