4444144 has 20 divisors (see below), whose sum is σ = 8844424. Its totient is φ = 2161728.

The previous prime is 4444127. The next prime is 4444147. The reversal of 4444144 is 4414444.

It is a happy number.

4444144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162 + ... + 4345.

Almost surely, 2^4444144 is an apocalyptic number.

It is an amenable number.

4444144 is a deficient number, since it is larger than the sum of its proper divisors (4400280).

4444144 is a wasteful number, since it uses less digits than its factorization.

4444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7546 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 4444144 is about 2108.1138489180. The cubic root of 4444144 is about 164.4104334066.

Adding to 4444144 its reverse (4414444), we get a palindrome (8858588).

It can be divided in two parts, 4444 and 144, that multiplied together give a palindrome (639936).

The spelling of 4444144 in words is "four million, four hundred forty-four thousand, one hundred forty-four".