1143303041 has 4 divisors (see below), whose sum is σ = 1144191300. Its totient is φ = 1142414784.

The previous prime is 1143303037. The next prime is 1143303061. The reversal of 1143303041 is 1403033411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 902401600 + 240901441 = 30040^2 + 15521^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143303041 - 2² = 1143303037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143303001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442196 + ... + 444773.

It is an arithmetic number, because the mean of its divisors is an integer number (286047825).

Almost surely, 2^1143303041 is an apocalyptic number.

It is an amenable number.

1143303041 is a deficient number, since it is larger than the sum of its proper divisors (888259).

1143303041 is an equidigital number, since it uses as much as digits as its factorization.

1143303041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888258.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1143303041 is about 33812.7644684666. The cubic root of 1143303041 is about 1045.6518726045.

Adding to 1143303041 its reverse (1403033411), we get a palindrome (2546336452).

The spelling of 1143303041 in words is "one billion, one hundred forty-three million, three hundred three thousand, forty-one".