4145225 has 12 divisors (see below), whose sum is σ = 5874624. Its totient is φ = 2842320.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145225 is 5225414.

It is a happy number.

It is not a de Polignac number, because 4145225 - 2⁸ = 4144969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4145225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11669 + ... + 12018.

It is an arithmetic number, because the mean of its divisors is an integer number (489552).

Almost surely, 2^4145225 is an apocalyptic number.

It is an amenable number.

4145225 is a deficient number, since it is larger than the sum of its proper divisors (1729399).

4145225 is a wasteful number, since it uses less digits than its factorization.

4145225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704 (or 23699 counting only the distinct ones).

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

The square root of 4145225 is about 2035.9825637760. The cubic root of 4145225 is about 160.6383999177.

The spelling of 4145225 in words is "four million, one hundred forty-five thousand, two hundred twenty-five".