1144503339 has 12 divisors (see below), whose sum is σ = 1775148264. Its totient is φ = 654001824.

The previous prime is 1144503331. The next prime is 1144503403. The reversal of 1144503339 is 9333054411.

It is a happy number.

It is not a de Polignac number, because 1144503339 - 2³ = 1144503331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144503331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3892722 + ... + 3893015.

It is an arithmetic number, because the mean of its divisors is an integer number (147929022).

Almost surely, 2^1144503339 is an apocalyptic number.

1144503339 is a deficient number, since it is larger than the sum of its proper divisors (630644925).

1144503339 is an equidigital number, since it uses as much as digits as its factorization.

1144503339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785754 (or 7785747 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1144503339 is about 33830.5089970577. The cubic root of 1144503339 is about 1046.0176708929.

The spelling of 1144503339 in words is "one billion, one hundred forty-four million, five hundred three thousand, three hundred thirty-nine".