1052145322572 has 24 divisors (see below), whose sum is σ = 2455036451392. Its totient is φ = 350710722000.

The previous prime is 1052145322537. The next prime is 1052145322589. The reversal of 1052145322572 is 2752235412501.

It is a happy number.

It is a super-2 number, since 2×1052145322572² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052145322572.

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, 537447 + ... + 1546977.

Almost surely, 2^{1052145322572} is an apocalyptic number.

1052145322572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1052145322572 is an abundant number, since it is smaller than the sum of its proper divisors (1402891128820).

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

1052145322572 is a wasteful number, since it uses less digits than its factorization.

1052145322572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096389 (or 1096387 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 1052145322572 in words is "one trillion, fifty-two billion, one hundred forty-five million, three hundred twenty-two thousand, five hundred seventy-two".