1004430143 has 2 divisors, whose sum is σ = 1004430144. Its totient is φ = 1004430142.

The previous prime is 1004430131. The next prime is 1004430149. The reversal of 1004430143 is 3410344001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1004430143 - 2⁴ = 1004430127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004430149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502215071 + 502215072.

It is an arithmetic number, because the mean of its divisors is an integer number (502215072).

Almost surely, 2^1004430143 is an apocalyptic number.

1004430143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004430143 is an equidigital number, since it uses as much as digits as its factorization.

1004430143 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 1004430143 is about 31692.7459050174. The cubic root of 1004430143 is about 1001.4745389994.

Adding to 1004430143 its reverse (3410344001), we get a palindrome (4414774144).

The spelling of 1004430143 in words is "one billion, four million, four hundred thirty thousand, one hundred forty-three".