45440230513 has 2 divisors, whose sum is σ = 45440230514. Its totient is φ = 45440230512.

The previous prime is 45440230477. The next prime is 45440230553. The reversal of 45440230513 is 31503204454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25405809664 + 20034420849 = 159392^2 + 141543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45440230513 is a prime.

It is not a weakly prime, because it can be changed into another prime (45440230553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22720115256 + 22720115257.

It is an arithmetic number, because the mean of its divisors is an integer number (22720115257).

Almost surely, 2^45440230513 is an apocalyptic number.

It is an amenable number.

45440230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45440230513 is an equidigital number, since it uses as much as digits as its factorization.

45440230513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 45440230513 its reverse (31503204454), we get a palindrome (76943434967).

The spelling of 45440230513 in words is "forty-five billion, four hundred forty million, two hundred thirty thousand, five hundred thirteen".