4145224 has 8 divisors (see below), whose sum is σ = 7772310. Its totient is φ = 2072608.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145224 is 4225414.

It is a happy number.

4145224 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4072324 + 72900 = 2018^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 4145195 and 4145204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259069 + ... + 259084.

Almost surely, 2^4145224 is an apocalyptic number.

It is an amenable number.

4145224 is a deficient number, since it is larger than the sum of its proper divisors (3627086).

4145224 is a wasteful number, since it uses less digits than its factorization.

4145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518159 (or 518155 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 4145224 is about 2035.9823181943. The cubic root of 4145224 is about 160.6383870001.

The spelling of 4145224 in words is "four million, one hundred forty-five thousand, two hundred twenty-four".