564145523144041 has 4 divisors (see below), whose sum is σ = 564978825246852. Its totient is φ = 563312221041232.

The previous prime is 564145523143987. The next prime is 564145523144053. The reversal of 564145523144041 is 140441325541465.

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 328799886465600 + 235345636678441 = 18132840^2 + 15340979^2 .

It is a cyclic number.

It is not a de Polignac number, because 564145523144041 - 2²⁵ = 564145489589609 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564145523184041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416651050390 + ... + 416651051743.

It is an arithmetic number, because the mean of its divisors is an integer number (141244706311713).

Almost surely, 2^{564145523144041} is an apocalyptic number.

It is an amenable number.

564145523144041 is a deficient number, since it is larger than the sum of its proper divisors (833302102811).

564145523144041 is an equidigital number, since it uses as much as digits as its factorization.

564145523144041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833302102810.

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 564145523144041 in words is "five hundred sixty-four trillion, one hundred forty-five billion, five hundred twenty-three million, one hundred forty-four thousand, forty-one".