2444144 has 20 divisors (see below), whose sum is σ = 4768296. Its totient is φ = 1213632.

The previous prime is 2444137. The next prime is 2444147. The reversal of 2444144 is 4414442.

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 (2444147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327 + ... + 3209.

2^2444144 is an apocalyptic number.

It is an amenable number.

2444144 is a deficient number, since it is larger than the sum of its proper divisors (2324152).

2444144 is a wasteful number, since it uses less digits than its factorization.

2444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1058 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 2444144 is about 1563.3758345324. The cubic root of 2444144 is about 134.7024815153.

Adding to 2444144 its reverse (4414442), we get a palindrome (6858586).

The spelling of 2444144 in words is "two million, four hundred forty-four thousand, one hundred forty-four".