2805082845 has 32 divisors (see below), whose sum is σ = 4536618240. Its totient is φ = 1479928320.

The previous prime is 2805082831. The next prime is 2805082871. The reversal of 2805082845 is 5482805082.

It is not a de Polignac number, because 2805082845 - 2⁸ = 2805082589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2805082797 and 2805082806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531080 + ... + 1532910.

It is an arithmetic number, because the mean of its divisors is an integer number (141769320).

Almost surely, 2^2805082845 is an apocalyptic number.

It is an amenable number.

2805082845 is a deficient number, since it is larger than the sum of its proper divisors (1731535395).

2805082845 is a wasteful number, since it uses less digits than its factorization.

2805082845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 2805082845 is about 52963.0328153515. The cubic root of 2805082845 is about 1410.3120957952.

The spelling of 2805082845 in words is "two billion, eight hundred five million, eighty-two thousand, eight hundred forty-five".