2845845 has 12 divisors (see below), whose sum is σ = 4932876. Its totient is φ = 1517760.

The previous prime is 2845841. The next prime is 2845853. The reversal of 2845845 is 5485482.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 1912689 = 966^2 + 1383^2 .

It is not a de Polignac number, because 2845845 - 2² = 2845841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31576 + ... + 31665.

It is an arithmetic number, because the mean of its divisors is an integer number (411073).

2^2845845 is an apocalyptic number.

It is an amenable number.

2845845 is a deficient number, since it is larger than the sum of its proper divisors (2087031).

2845845 is a wasteful number, since it uses less digits than its factorization.

2845845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63252 (or 63249 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 2845845 is about 1686.9632479696. The cubic root of 2845845 is about 141.7110602893.

The spelling of 2845845 in words is "two million, eight hundred forty-five thousand, eight hundred forty-five".