45545249 has 2 divisors, whose sum is σ = 45545250. Its totient is φ = 45545248.

The previous prime is 45545233. The next prime is 45545257. The reversal of 45545249 is 94254554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 117649 = 6740^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 45545249 - 2⁴ = 45545233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45545449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772624 + 22772625.

It is an arithmetic number, because the mean of its divisors is an integer number (22772625).

Almost surely, 2^45545249 is an apocalyptic number.

It is an amenable number.

45545249 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545249 is an equidigital number, since it uses as much as digits as its factorization.

45545249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 38.

The square root of 45545249 is about 6748.7220271693. The cubic root of 45545249 is about 357.1201540387.

The spelling of 45545249 in words is "forty-five million, five hundred forty-five thousand, two hundred forty-nine".