4446145 has 12 divisors (see below), whose sum is σ = 5865300. Its totient is φ = 3233120.

The previous prime is 4446137. The next prime is 4446161. The reversal of 4446145 is 5416444.

4446145 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 2337841 + 2108304 = 1529^2 + 1452^2 .

It is not a de Polignac number, because 4446145 - 2³ = 4446137 is a prime.

It is a super-2 number, since 2×4446145² = 39536410722050, which contains 22 as substring.

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, 3070 + ... + 4279.

It is an arithmetic number, because the mean of its divisors is an integer number (488775).

Almost surely, 2^4446145 is an apocalyptic number.

It is an amenable number.

4446145 is a deficient number, since it is larger than the sum of its proper divisors (1419155).

4446145 is a wasteful number, since it uses less digits than its factorization.

4446145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376 (or 7365 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4446145 is about 2108.5883903693. The cubic root of 4446145 is about 164.4351052680.

Subtracting 4446145 from its reverse (5416444), we obtain a cube (970299 = 99³).

The spelling of 4446145 in words is "four million, four hundred forty-six thousand, one hundred forty-five".