1145441513 has 2 divisors, whose sum is σ = 1145441514. Its totient is φ = 1145441512.

The previous prime is 1145441503. The next prime is 1145441567. The reversal of 1145441513 is 3151445411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702886144 + 442555369 = 26512^2 + 21037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145441513 - 2⁴ = 1145441497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1145441503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572720756 + 572720757.

It is an arithmetic number, because the mean of its divisors is an integer number (572720757).

Almost surely, 2^1145441513 is an apocalyptic number.

It is an amenable number.

1145441513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145441513 is an equidigital number, since it uses as much as digits as its factorization.

1145441513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 1145441513 is about 33844.3719545806. The cubic root of 1145441513 is about 1046.3034072257.

Adding to 1145441513 its reverse (3151445411), we get a palindrome (4296886924).

The spelling of 1145441513 in words is "one billion, one hundred forty-five million, four hundred forty-one thousand, five hundred thirteen".