1144232439 has 32 divisors (see below), whose sum is σ = 1825528320. Its totient is φ = 623667072.

The previous prime is 1144232429. The next prime is 1144232461. The reversal of 1144232439 is 9342324411.

1144232439 = 15² + 16² + ... + 1508².

It is not a de Polignac number, because 1144232439 - 2¹⁷ = 1144101367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144232429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39229 + ... + 61865.

It is an arithmetic number, because the mean of its divisors is an integer number (57047760).

Almost surely, 2^1144232439 is an apocalyptic number.

1144232439 is a deficient number, since it is larger than the sum of its proper divisors (681295881).

1144232439 is a wasteful number, since it uses less digits than its factorization.

1144232439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22759.

The product of its digits is 20736, while the sum is 33.

The square root of 1144232439 is about 33826.5049776059. The cubic root of 1144232439 is about 1045.9351347868.

The spelling of 1144232439 in words is "one billion, one hundred forty-four million, two hundred thirty-two thousand, four hundred thirty-nine".