1143344117 has 2 divisors, whose sum is σ = 1143344118. Its totient is φ = 1143344116.

The previous prime is 1143344087. The next prime is 1143344219. The reversal of 1143344117 is 7114433411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057485361 + 85858756 = 32519^2 + 9266^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143344117 - 2¹² = 1143340021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1143344117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143344317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571672058 + 571672059.

It is an arithmetic number, because the mean of its divisors is an integer number (571672059).

Almost surely, 2^1143344117 is an apocalyptic number.

It is an amenable number.

1143344117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143344117 is an equidigital number, since it uses as much as digits as its factorization.

1143344117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 1143344117 is about 33813.3718667630. The cubic root of 1143344117 is about 1045.6643950010.

Adding to 1143344117 its reverse (7114433411), we get a palindrome (8257777528).

The spelling of 1143344117 in words is "one billion, one hundred forty-three million, three hundred forty-four thousand, one hundred seventeen".