4445111 has 8 divisors (see below), whose sum is σ = 4898448. Its totient is φ = 4000000.

The previous prime is 4445099. The next prime is 4445113. The reversal of 4445111 is 1115444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(4445111) divides (4445111-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 4445111 - 2⁶ = 4445047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (612306).

Almost surely, 2^4445111 is an apocalyptic number.

4445111 is a deficient number, since it is larger than the sum of its proper divisors (453337).

4445111 is a wasteful number, since it uses less digits than its factorization.

4445111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its digits is 320, while the sum is 20.

The square root of 4445111 is about 2108.3431883828. The cubic root of 4445111 is about 164.4223572146.

It can be divided in two parts, 444 and 5111, that added together give a palindrome (5555).

The spelling of 4445111 in words is "four million, four hundred forty-five thousand, one hundred eleven".