45667889 has 2 divisors, whose sum is σ = 45667890. Its totient is φ = 45667888.

The previous prime is 45667883. The next prime is 45667931. The reversal of 45667889 is 98876654.

45667889 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., 43665664 + 2002225 = 6608^2 + 1415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45667889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 45667889.

It is not a weakly prime, because it can be changed into another prime (45667883) 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, 22833944 + 22833945.

It is an arithmetic number, because the mean of its divisors is an integer number (22833945).

Almost surely, 2^45667889 is an apocalyptic number.

It is an amenable number.

45667889 is a deficient number, since it is larger than the sum of its proper divisors (1).

45667889 is an equidigital number, since it uses as much as digits as its factorization.

45667889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 45667889 is about 6757.8020835180. The cubic root of 45667889 is about 357.4404067130.

The spelling of 45667889 in words is "forty-five million, six hundred sixty-seven thousand, eight hundred eighty-nine".