4145444 has 24 divisors (see below), whose sum is σ = 7585536. Its totient is φ = 1980000.

The previous prime is 4145423. The next prime is 4145459. The reversal of 4145444 is 4445414.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12359 + ... + 12689.

It is an arithmetic number, because the mean of its divisors is an integer number (316064).

Almost surely, 2^4145444 is an apocalyptic number.

It is an amenable number.

4145444 is a deficient number, since it is larger than the sum of its proper divisors (3440092).

4145444 is a wasteful number, since it uses less digits than its factorization.

4145444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 4145444 is about 2036.0363454516. The cubic root of 4145444 is about 160.6412288104.

The spelling of 4145444 in words is "four million, one hundred forty-five thousand, four hundred forty-four".