1052052247145 has 4 divisors (see below), whose sum is σ = 1262462696580. Its totient is φ = 841641797712.

The previous prime is 1052052247133. The next prime is 1052052247163. The reversal of 1052052247145 is 5417422502501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 204995239696 + 847057007449 = 452764^2 + 920357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052052247145 - 2¹⁸ = 1052051985001 is a prime.

It is a super-2 number, since 2×1052052247145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052052247099 and 1052052247108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105205224710 + ... + 105205224719.

It is an arithmetic number, because the mean of its divisors is an integer number (315615674145).

Almost surely, 2^{1052052247145} is an apocalyptic number.

It is an amenable number.

1052052247145 is a deficient number, since it is larger than the sum of its proper divisors (210410449435).

1052052247145 is an equidigital number, since it uses as much as digits as its factorization.

1052052247145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210410449434.

The product of its (nonzero) digits is 112000, while the sum is 38.

Adding to 1052052247145 its reverse (5417422502501), we get a palindrome (6469474749646).

The spelling of 1052052247145 in words is "one trillion, fifty-two billion, fifty-two million, two hundred forty-seven thousand, one hundred forty-five".