2864145 has 16 divisors (see below), whose sum is σ = 4642560. Its totient is φ = 1507584.

The previous prime is 2864129. The next prime is 2864149. The reversal of 2864145 is 5414682.

It is not a de Polignac number, because 2864145 - 2⁴ = 2864129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2864149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (290160).

2^2864145 is an apocalyptic number.

It is an amenable number.

2864145 is a deficient number, since it is larger than the sum of its proper divisors (1778415).

2864145 is a wasteful number, since it uses less digits than its factorization.

2864145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504.

The product of its digits is 7680, while the sum is 30.

The square root of 2864145 is about 1692.3785037633. The cubic root of 2864145 is about 142.0141657494.

The spelling of 2864145 in words is "two million, eight hundred sixty-four thousand, one hundred forty-five".