45208369 has 2 divisors, whose sum is σ = 45208370. Its totient is φ = 45208368.

The previous prime is 45208333. The next prime is 45208379. The reversal of 45208369 is 96380254.

45208369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24850225 + 20358144 = 4985^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 45208369 - 2¹¹ = 45206321 is a prime.

It is a super-2 number, since 2×45208369² = 4087593255280322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45208309) 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, 22604184 + 22604185.

It is an arithmetic number, because the mean of its divisors is an integer number (22604185).

Almost surely, 2^45208369 is an apocalyptic number.

It is an amenable number.

45208369 is a deficient number, since it is larger than the sum of its proper divisors (1).

45208369 is an equidigital number, since it uses as much as digits as its factorization.

45208369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 45208369 is about 6723.7169036181. The cubic root of 45208369 is about 356.2374825190.

The spelling of 45208369 in words is "forty-five million, two hundred eight thousand, three hundred sixty-nine".