1143045017 has 2 divisors, whose sum is σ = 1143045018. Its totient is φ = 1143045016.

The previous prime is 1143044983. The next prime is 1143045037. The reversal of 1143045017 is 7105403411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805367641 + 337677376 = 28379^2 + 18376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143045017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143045037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571522508 + 571522509.

It is an arithmetic number, because the mean of its divisors is an integer number (571522509).

Almost surely, 2^1143045017 is an apocalyptic number.

It is an amenable number.

1143045017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143045017 is an equidigital number, since it uses as much as digits as its factorization.

1143045017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1143045017 is about 33808.9487709985. The cubic root of 1143045017 is about 1045.5732047540.

Adding to 1143045017 its reverse (7105403411), we get a palindrome (8248448428).

The spelling of 1143045017 in words is "one billion, one hundred forty-three million, forty-five thousand, seventeen".