1045171765 has 16 divisors (see below), whose sum is σ = 1376951040. Its totient is φ = 755277120.

The previous prime is 1045171753. The next prime is 1045171783. The reversal of 1045171765 is 5671715401.

It is a happy number.

1045171765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1045171765 - 2⁷ = 1045171637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51885 + ... + 69154.

It is an arithmetic number, because the mean of its divisors is an integer number (86059440).

Almost surely, 2^1045171765 is an apocalyptic number.

It is an amenable number.

1045171765 is a deficient number, since it is larger than the sum of its proper divisors (331779275).

1045171765 is a wasteful number, since it uses less digits than its factorization.

1045171765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121212.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 1045171765 is about 32329.1163659015. The cubic root of 1045171765 is about 1014.8360578721.

The spelling of 1045171765 in words is "one billion, forty-five million, one hundred seventy-one thousand, seven hundred sixty-five".