45688289 has 2 divisors, whose sum is σ = 45688290. Its totient is φ = 45688288.

The previous prime is 45688249. The next prime is 45688301. The reversal of 45688289 is 98288654.

45688289 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., 31550689 + 14137600 = 5617^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 45688289 - 2⁸ = 45688033 is a prime.

It is not a weakly prime, because it can be changed into another prime (45688219) 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, 22844144 + 22844145.

It is an arithmetic number, because the mean of its divisors is an integer number (22844145).

Almost surely, 2^45688289 is an apocalyptic number.

It is an amenable number.

45688289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45688289 is an equidigital number, since it uses as much as digits as its factorization.

45688289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 50.

The square root of 45688289 is about 6759.3112814842. The cubic root of 45688289 is about 357.4936220682.

The spelling of 45688289 in words is "forty-five million, six hundred eighty-eight thousand, two hundred eighty-nine".