1144431004 has 24 divisors (see below), whose sum is σ = 2053649808. Its totient is φ = 557840640.

The previous prime is 1144430983. The next prime is 1144431017. The reversal of 1144431004 is 4001344411.

It is a congruent number.

It is an unprimeable number.

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, 6819 + ... + 48325.

It is an arithmetic number, because the mean of its divisors is an integer number (85568742).

Almost surely, 2^1144431004 is an apocalyptic number.

It is an amenable number.

1144431004 is a deficient number, since it is larger than the sum of its proper divisors (909218804).

1144431004 is a wasteful number, since it uses less digits than its factorization.

1144431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41685 (or 41683 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1144431004 is about 33829.4399007728. The cubic root of 1144431004 is about 1045.9956335953.

Adding to 1144431004 its reverse (4001344411), we get a palindrome (5145775415).

The spelling of 1144431004 in words is "one billion, one hundred forty-four million, four hundred thirty-one thousand, four".