2045251755 has 16 divisors (see below), whose sum is σ = 3636003360. Its totient is φ = 1090800864.

The previous prime is 2045251679. The next prime is 2045251763. The reversal of 2045251755 is 5571525402.

It is not a de Polignac number, because 2045251755 - 2¹⁷ = 2045120683 is a prime.

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, 7574872 + ... + 7575141.

It is an arithmetic number, because the mean of its divisors is an integer number (227250210).

Almost surely, 2^2045251755 is an apocalyptic number.

2045251755 is a deficient number, since it is larger than the sum of its proper divisors (1590751605).

2045251755 is a wasteful number, since it uses less digits than its factorization.

2045251755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150027 (or 15150021 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 2045251755 is about 45224.4596982651. The cubic root of 2045251755 is about 1269.3525447177.

The spelling of 2045251755 in words is "two billion, forty-five million, two hundred fifty-one thousand, seven hundred fifty-five".