45660289 has 2 divisors, whose sum is σ = 45660290. Its totient is φ = 45660288.

The previous prime is 45660271. The next prime is 45660323. The reversal of 45660289 is 98206654.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33466225 + 12194064 = 5785^2 + 3492^2 .

It is a cyclic number.

It is not a de Polignac number, because 45660289 - 2¹¹ = 45658241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45660229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22830144 + 22830145.

It is an arithmetic number, because the mean of its divisors is an integer number (22830145).

Almost surely, 2^45660289 is an apocalyptic number.

It is an amenable number.

45660289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45660289 is an equidigital number, since it uses as much as digits as its factorization.

45660289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 45660289 is about 6757.2397471157. The cubic root of 45660289 is about 357.4205773328.

The spelling of 45660289 in words is "forty-five million, six hundred sixty thousand, two hundred eighty-nine".