1144336447 has 16 divisors (see below), whose sum is σ = 1177966080. Its totient is φ = 1111283712.

The previous prime is 1144336441. The next prime is 1144336493. The reversal of 1144336447 is 7446334411.

It is a cyclic number.

It is not a de Polignac number, because 1144336447 - 2¹⁵ = 1144303679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144336441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2471338 + ... + 2471800.

It is an arithmetic number, because the mean of its divisors is an integer number (73622880).

Almost surely, 2^1144336447 is an apocalyptic number.

1144336447 is a deficient number, since it is larger than the sum of its proper divisors (33629633).

1144336447 is a wasteful number, since it uses less digits than its factorization.

1144336447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 96768, while the sum is 37.

The square root of 1144336447 is about 33828.0423169890. The cubic root of 1144336447 is about 1045.9668248298.

The spelling of 1144336447 in words is "one billion, one hundred forty-four million, three hundred thirty-six thousand, four hundred forty-seven".