44545973 has 2 divisors, whose sum is σ = 44545974. Its totient is φ = 44545972.

The previous prime is 44545957. The next prime is 44545981. The reversal of 44545973 is 37954544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 7360369 = 6098^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 44545973 - 2⁴ = 44545957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44545973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44545903) 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, 22272986 + 22272987.

It is an arithmetic number, because the mean of its divisors is an integer number (22272987).

Almost surely, 2^44545973 is an apocalyptic number.

It is an amenable number.

44545973 is a deficient number, since it is larger than the sum of its proper divisors (1).

44545973 is an equidigital number, since it uses as much as digits as its factorization.

44545973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 44545973 is about 6674.2769645858. The cubic root of 44545973 is about 354.4890434088.

The spelling of 44545973 in words is "forty-four million, five hundred forty-five thousand, nine hundred seventy-three".