2045564045 has 12 divisors (see below), whose sum is σ = 2855440764. Its totient is φ = 1402672320.

The previous prime is 2045564029. The next prime is 2045564071. The reversal of 2045564045 is 5404655402.

It can be written as a sum of positive squares in 2 ways, for example, as 476374276 + 1569189769 = 21826^2 + 39613^2 .

It is not a de Polignac number, because 2045564045 - 2⁴ = 2045564029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045563996 and 2045564014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4174376 + ... + 4174865.

It is an arithmetic number, because the mean of its divisors is an integer number (237953397).

Almost surely, 2^2045564045 is an apocalyptic number.

It is an amenable number.

2045564045 is a deficient number, since it is larger than the sum of its proper divisors (809876719).

2045564045 is an equidigital number, since it uses as much as digits as its factorization.

2045564045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349260 (or 8349253 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 2045564045 is about 45227.9122334870. The cubic root of 2045564045 is about 1269.4171473485.

The spelling of 2045564045 in words is "two billion, forty-five million, five hundred sixty-four thousand, forty-five".