45444571 has 2 divisors, whose sum is σ = 45444572. Its totient is φ = 45444570.

The previous prime is 45444569. The next prime is 45444577. The reversal of 45444571 is 17544454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45444571 - 2¹ = 45444569 is a prime.

Together with 45444569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45444577) 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, 22722285 + 22722286.

It is an arithmetic number, because the mean of its divisors is an integer number (22722286).

Almost surely, 2^45444571 is an apocalyptic number.

45444571 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444571 is an equidigital number, since it uses as much as digits as its factorization.

45444571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 34.

The square root of 45444571 is about 6741.2588586999. The cubic root of 45444571 is about 356.8568212835.

The spelling of 45444571 in words is "forty-five million, four hundred forty-four thousand, five hundred seventy-one".