45040213 has 2 divisors, whose sum is σ = 45040214. Its totient is φ = 45040212.

The previous prime is 45040207. The next prime is 45040223. The reversal of 45040213 is 31204054.

45040213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40870449 + 4169764 = 6393^2 + 2042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45040213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45040223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520106 + 22520107.

It is an arithmetic number, because the mean of its divisors is an integer number (22520107).

Almost surely, 2^45040213 is an apocalyptic number.

It is an amenable number.

45040213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45040213 is an equidigital number, since it uses as much as digits as its factorization.

45040213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45040213 is about 6711.2005632375. The cubic root of 45040213 is about 355.7952495347.

Adding to 45040213 its reverse (31204054), we get a palindrome (76244267).

The spelling of 45040213 in words is "forty-five million, forty thousand, two hundred thirteen".