2245145 has 16 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 1472064.

The previous prime is 2245141. The next prime is 2245147. The reversal of 2245145 is 5415422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2245145 - 2² = 2245141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 2245145.

It is not an unprimeable number, because it can be changed into a prime (2245141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

2^2245145 is an apocalyptic number.

It is an amenable number.

2245145 is a deficient number, since it is larger than the sum of its proper divisors (968935).

2245145 is a wasteful number, since it uses less digits than its factorization.

2245145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824.

The product of its digits is 1600, while the sum is 23.

The square root of 2245145 is about 1498.3807927226. The cubic root of 2245145 is about 130.9427522135.

The spelling of 2245145 in words is "two million, two hundred forty-five thousand, one hundred forty-five".