1144002444 has 96 divisors (see below), whose sum is σ = 2959756800. Its totient is φ = 341687808.

The previous prime is 1144002413. The next prime is 1144002449. The reversal of 1144002444 is 4442004411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1144002449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334464 + ... + 1335320.

It is an arithmetic number, because the mean of its divisors is an integer number (30830800).

Almost surely, 2^1144002444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144002444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479878400).

1144002444 is an abundant number, since it is smaller than the sum of its proper divisors (1815754356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144002444 is a wasteful number, since it uses less digits than its factorization.

1144002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1144002444 is about 33823.1051797436. The cubic root of 1144002444 is about 1045.8650511328.

Adding to 1144002444 its reverse (4442004411), we get a palindrome (5586006855).

The spelling of 1144002444 in words is "one billion, one hundred forty-four million, two thousand, four hundred forty-four".