2045265775 has 12 divisors (see below), whose sum is σ = 2898434032. Its totient is φ = 1402467840.

The previous prime is 2045265763. The next prime is 2045265779. The reversal of 2045265775 is 5775625402.

It is not a de Polignac number, because 2045265775 - 2⁵ = 2045265743 is a prime.

It is a super-2 number, since 2×2045265775² = 8366224180772701250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045265779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5843442 + ... + 5843791.

Almost surely, 2^2045265775 is an apocalyptic number.

2045265775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2045265775 is a deficient number, since it is larger than the sum of its proper divisors (853168257).

2045265775 is a wasteful number, since it uses less digits than its factorization.

2045265775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11687250 (or 11687245 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 43.

The square root of 2045265775 is about 45224.6147026152. The cubic root of 2045265775 is about 1269.3554451401.

The spelling of 2045265775 in words is "two billion, forty-five million, two hundred sixty-five thousand, seven hundred seventy-five".