1144004239 has 8 divisors (see below), whose sum is σ = 1384341408. Its totient is φ = 922894080.

The previous prime is 1144004227. The next prime is 1144004287. The reversal of 1144004239 is 9324004411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144004239 - 2¹⁵ = 1143971471 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 (1144004039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806622 + ... + 4806859.

It is an arithmetic number, because the mean of its divisors is an integer number (173042676).

Almost surely, 2^1144004239 is an apocalyptic number.

1144004239 is a deficient number, since it is larger than the sum of its proper divisors (240337169).

1144004239 is an equidigital number, since it uses as much as digits as its factorization.

1144004239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613505.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1144004239 is about 33823.1317148486. The cubic root of 1144004239 is about 1045.8655981383.

The spelling of 1144004239 in words is "one billion, one hundred forty-four million, four thousand, two hundred thirty-nine".