1755890045 has 16 divisors (see below), whose sum is σ = 2593315200. Its totient is φ = 1111420224.

The previous prime is 1755890027. The next prime is 1755890069. The reversal of 1755890045 is 5400985571.

It is a cyclic number.

It is not a de Polignac number, because 1755890045 - 2¹⁴ = 1755873661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1755889978 and 1755890005.

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, 1929095 + ... + 1930004.

It is an arithmetic number, because the mean of its divisors is an integer number (162082200).

Almost surely, 2^1755890045 is an apocalyptic number.

It is an amenable number.

1755890045 is a deficient number, since it is larger than the sum of its proper divisors (837425155).

1755890045 is a wasteful number, since it uses less digits than its factorization.

1755890045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859124.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 1755890045 is about 41903.3416925190. The cubic root of 1755890045 is about 1206.4216034778.

The spelling of 1755890045 in words is "one billion, seven hundred fifty-five million, eight hundred ninety thousand, forty-five".