5664565145 has 4 divisors (see below), whose sum is σ = 6797478180. Its totient is φ = 4531652112.

The previous prime is 5664565129. The next prime is 5664565187. The reversal of 5664565145 is 5415654665.

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 609497344 + 5055067801 = 24688^2 + 71099^2 .

It is a cyclic number.

It is not a de Polignac number, because 5664565145 - 2⁴ = 5664565129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5664565145.

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, 566456510 + ... + 566456519.

It is an arithmetic number, because the mean of its divisors is an integer number (1699369545).

Almost surely, 2^5664565145 is an apocalyptic number.

It is an amenable number.

5664565145 is a deficient number, since it is larger than the sum of its proper divisors (1132913035).

5664565145 is a wasteful number, since it uses less digits than its factorization.

5664565145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132913034.

The product of its digits is 2160000, while the sum is 47.

The square root of 5664565145 is about 75263.3054349860. The cubic root of 5664565145 is about 1782.6066620020.

The spelling of 5664565145 in words is "five billion, six hundred sixty-four million, five hundred sixty-five thousand, one hundred forty-five".