45386813 has 2 divisors, whose sum is σ = 45386814. Its totient is φ = 45386812.

The previous prime is 45386791. The next prime is 45386849. The reversal of 45386813 is 31868354.

45386813 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., 27426169 + 17960644 = 5237^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 45386813 - 2¹² = 45382717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45386863) 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, 22693406 + 22693407.

It is an arithmetic number, because the mean of its divisors is an integer number (22693407).

Almost surely, 2^45386813 is an apocalyptic number.

It is an amenable number.

45386813 is a deficient number, since it is larger than the sum of its proper divisors (1).

45386813 is an equidigital number, since it uses as much as digits as its factorization.

45386813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 45386813 is about 6736.9735786924. The cubic root of 45386813 is about 356.7055742146.

The spelling of 45386813 in words is "forty-five million, three hundred eighty-six thousand, eight hundred thirteen".