252143042452 has 24 divisors (see below), whose sum is σ = 504304445120. Its totient is φ = 108057369600.

The previous prime is 252143042387. The next prime is 252143042491. The reversal of 252143042452 is 254240341252.

It is a super-2 number, since 2×252143042452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698452 + ... + 996052.

Almost surely, 2^252143042452 is an apocalyptic number.

It is an amenable number.

252143042452 is an abundant number, since it is smaller than the sum of its proper divisors (252161402668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252143042452 is a wasteful number, since it uses less digits than its factorization.

252143042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327871 (or 327869 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 252143042452 in words is "two hundred fifty-two billion, one hundred forty-three million, forty-two thousand, four hundred fifty-two".