4145287225 has 24 divisors (see below), whose sum is σ = 5446713888. Its totient is φ = 3118752000.

The previous prime is 4145287219. The next prime is 4145287241. The reversal of 4145287225 is 5227825414.

It is a happy number.

It is not a de Polignac number, because 4145287225 - 2²³ = 4136898617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 705550 + ... + 711400.

It is an arithmetic number, because the mean of its divisors is an integer number (226946412).

Almost surely, 2^4145287225 is an apocalyptic number.

It is an amenable number.

4145287225 is a deficient number, since it is larger than the sum of its proper divisors (1301426663).

4145287225 is a wasteful number, since it uses less digits than its factorization.

4145287225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545 (or 7540 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 4145287225 is about 64383.9050151511. The cubic root of 4145287225 is about 1606.3920370795.

The spelling of 4145287225 in words is "four billion, one hundred forty-five million, two hundred eighty-seven thousand, two hundred twenty-five".