1144214444 has 12 divisors (see below), whose sum is σ = 2120162184. Its totient is φ = 538453824.

The previous prime is 1144214441. The next prime is 1144214453. The reversal of 1144214444 is 4444124411.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1144214441) 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, 8413274 + ... + 8413409.

It is an arithmetic number, because the mean of its divisors is an integer number (176680182).

Almost surely, 2^1144214444 is an apocalyptic number.

It is an amenable number.

1144214444 is a deficient number, since it is larger than the sum of its proper divisors (975947740).

1144214444 is a wasteful number, since it uses less digits than its factorization.

1144214444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826704 (or 16826702 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 1144214444 is about 33826.2389869167. The cubic root of 1144214444 is about 1045.9296517221.

Adding to 1144214444 its reverse (4444124411), we get a palindrome (5588338855).

The spelling of 1144214444 in words is "one billion, one hundred forty-four million, two hundred fourteen thousand, four hundred forty-four".