45472289 has 2 divisors, whose sum is σ = 45472290. Its totient is φ = 45472288.

The previous prime is 45472279. The next prime is 45472307. The reversal of 45472289 is 98227454.

45472289 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., 25150225 + 20322064 = 5015^2 + 4508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45472289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45472249) 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, 22736144 + 22736145.

It is an arithmetic number, because the mean of its divisors is an integer number (22736145).

Almost surely, 2^45472289 is an apocalyptic number.

It is an amenable number.

45472289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45472289 is an equidigital number, since it uses as much as digits as its factorization.

45472289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 45472289 is about 6743.3143927893. The cubic root of 45472289 is about 356.9293590794.

The spelling of 45472289 in words is "forty-five million, four hundred seventy-two thousand, two hundred eighty-nine".