45444052249 has 2 divisors, whose sum is σ = 45444052250. Its totient is φ = 45444052248.

The previous prime is 45444052219. The next prime is 45444052271. The reversal of 45444052249 is 94225044454.

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., 41223211225 + 4220841024 = 203035^2 + 64968^2 .

It is a cyclic number.

It is not a de Polignac number, because 45444052249 - 2²³ = 45435663641 is a prime.

It is not a weakly prime, because it can be changed into another prime (45444052219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722026124 + 22722026125.

It is an arithmetic number, because the mean of its divisors is an integer number (22722026125).

Almost surely, 2^45444052249 is an apocalyptic number.

It is an amenable number.

45444052249 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444052249 is an equidigital number, since it uses as much as digits as its factorization.

45444052249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 45444052249 in words is "forty-five billion, four hundred forty-four million, fifty-two thousand, two hundred forty-nine".