2845205 has 24 divisors (see below), whose sum is σ = 3978720. Its totient is φ = 1936640.

The previous prime is 2845201. The next prime is 2845207. The reversal of 2845205 is 5025482.

2845205 = 26² + 27² + ... + 204².

2845205 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 2845205 - 2² = 2845201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15806 + ... + 15984.

It is an arithmetic number, because the mean of its divisors is an integer number (165780).

2^2845205 is an apocalyptic number.

It is an amenable number.

2845205 is a deficient number, since it is larger than the sum of its proper divisors (1133515).

2845205 is a wasteful number, since it uses less digits than its factorization.

2845205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2845205 is about 1686.7735473382. The cubic root of 2845205 is about 141.7004363940.

The spelling of 2845205 in words is "two million, eight hundred forty-five thousand, two hundred five".