1144431003 has 16 divisors (see below), whose sum is σ = 1542210560. Its totient is φ = 754824096.

The previous prime is 1144430983. The next prime is 1144431017. The reversal of 1144431003 is 3001344411.

It is a de Polignac number, because none of the positive numbers 2^k-1144431003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144431403) 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, 255126 + ... + 259572.

It is an arithmetic number, because the mean of its divisors is an integer number (96388160).

Almost surely, 2^1144431003 is an apocalyptic number.

1144431003 is a deficient number, since it is larger than the sum of its proper divisors (397779557).

1144431003 is a wasteful number, since it uses less digits than its factorization.

1144431003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1144431003 is about 33829.4398859928. The cubic root of 1144431003 is about 1045.9956332906.

Adding to 1144431003 its reverse (3001344411), we get a palindrome (4145775414).

The spelling of 1144431003 in words is "one billion, one hundred forty-four million, four hundred thirty-one thousand, three".