45293249 has 2 divisors, whose sum is σ = 45293250. Its totient is φ = 45293248.

The previous prime is 45293203. The next prime is 45293251. The reversal of 45293249 is 94239254.

It is a happy number.

45293249 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., 41049649 + 4243600 = 6407^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 45293249 - 2¹⁶ = 45227713 is a prime.

It is a Sophie Germain prime.

Together with 45293251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45295249) 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, 22646624 + 22646625.

It is an arithmetic number, because the mean of its divisors is an integer number (22646625).

Almost surely, 2^45293249 is an apocalyptic number.

It is an amenable number.

45293249 is a deficient number, since it is larger than the sum of its proper divisors (1).

45293249 is an equidigital number, since it uses as much as digits as its factorization.

45293249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 45293249 is about 6730.0259286276. The cubic root of 45293249 is about 356.4602918057.

The spelling of 45293249 in words is "forty-five million, two hundred ninety-three thousand, two hundred forty-nine".