45563737 has 2 divisors, whose sum is σ = 45563738. Its totient is φ = 45563736.

The previous prime is 45563719. The next prime is 45563741. The reversal of 45563737 is 73736554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23464336 + 22099401 = 4844^2 + 4701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45563737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45563737.

It is not a weakly prime, because it can be changed into another prime (45563717) 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, 22781868 + 22781869.

It is an arithmetic number, because the mean of its divisors is an integer number (22781869).

Almost surely, 2^45563737 is an apocalyptic number.

It is an amenable number.

45563737 is a deficient number, since it is larger than the sum of its proper divisors (1).

45563737 is an equidigital number, since it uses as much as digits as its factorization.

45563737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 40.

The square root of 45563737 is about 6750.0916290077. The cubic root of 45563737 is about 357.1684689518.

The spelling of 45563737 in words is "forty-five million, five hundred sixty-three thousand, seven hundred thirty-seven".