2804145 has 16 divisors (see below), whose sum is σ = 4551552. Its totient is φ = 1473920.

The previous prime is 2804143. The next prime is 2804147. The reversal of 2804145 is 5414082.

2804145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2804143) and next prime (2804147).

It is not a de Polignac number, because 2804145 - 2¹ = 2804143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804141) 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 15 ways as a sum of consecutive naturals, for example, 252 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (284472).

2^2804145 is an apocalyptic number.

It is an amenable number.

2804145 is a deficient number, since it is larger than the sum of its proper divisors (1747407).

2804145 is a wasteful number, since it uses less digits than its factorization.

2804145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2804145 is about 1674.5581506774. The cubic root of 2804145 is about 141.0154904766.

The spelling of 2804145 in words is "two million, eight hundred four thousand, one hundred forty-five".