1143440003 has 2 divisors, whose sum is σ = 1143440004. Its totient is φ = 1143440002.

The previous prime is 1143439981. The next prime is 1143440041. The reversal of 1143440003 is 3000443411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143440003 - 2¹⁰ = 1143438979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1143440063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571720001 + 571720002.

It is an arithmetic number, because the mean of its divisors is an integer number (571720002).

Almost surely, 2^1143440003 is an apocalyptic number.

1143440003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143440003 is an equidigital number, since it uses as much as digits as its factorization.

1143440003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1143440003 is about 33814.7897080553. The cubic root of 1143440003 is about 1045.6936255630.

Adding to 1143440003 its reverse (3000443411), we get a palindrome (4143883414).

The spelling of 1143440003 in words is "one billion, one hundred forty-three million, four hundred forty thousand, three".