1052145021244 has 24 divisors (see below), whose sum is σ = 1852395553008. Its totient is φ = 522897060480.

The previous prime is 1052145021223. The next prime is 1052145021247. The reversal of 1052145021244 is 4421205412501.

It is a super-2 number, since 2×1052145021244² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052145021247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456367 + ... + 1520710.

It is an arithmetic number, because the mean of its divisors is an integer number (77183148042).

Almost surely, 2^{1052145021244} is an apocalyptic number.

It is an amenable number.

1052145021244 is a deficient number, since it is larger than the sum of its proper divisors (800250531764).

1052145021244 is a wasteful number, since it uses less digits than its factorization.

1052145021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977885 (or 1977883 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 1052145021244 in words is "one trillion, fifty-two billion, one hundred forty-five million, twenty-one thousand, two hundred forty-four".