1444313144 has 16 divisors (see below), whose sum is σ = 2711438520. Its totient is φ = 721262880.

The previous prime is 1444313137. The next prime is 1444313161. The reversal of 1444313144 is 4413134441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104819 + ... + 117794.

Almost surely, 2^1444313144 is an apocalyptic number.

It is an amenable number.

1444313144 is a deficient number, since it is larger than the sum of its proper divisors (1267125376).

1444313144 is a wasteful number, since it uses less digits than its factorization.

1444313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223430 (or 223426 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 1444313144 is about 38004.1200924321. The cubic root of 1444313144 is about 1130.3695619487.

Adding to 1444313144 its reverse (4413134441), we get a palindrome (5857447585).

The spelling of 1444313144 in words is "one billion, four hundred forty-four million, three hundred thirteen thousand, one hundred forty-four".