1145563417 has 2 divisors, whose sum is σ = 1145563418. Its totient is φ = 1145563416.

The previous prime is 1145563403. The next prime is 1145563421. The reversal of 1145563417 is 7143655411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135959616 + 9603801 = 33704^2 + 3099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145563417 - 2¹⁵ = 1145530649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145563457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572781708 + 572781709.

It is an arithmetic number, because the mean of its divisors is an integer number (572781709).

Almost surely, 2^1145563417 is an apocalyptic number.

It is an amenable number.

1145563417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145563417 is an equidigital number, since it uses as much as digits as its factorization.

1145563417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 1145563417 is about 33846.1728560261. The cubic root of 1145563417 is about 1046.3405236402.

The spelling of 1145563417 in words is "one billion, one hundred forty-five million, five hundred sixty-three thousand, four hundred seventeen".