45171449 has 2 divisors, whose sum is σ = 45171450. Its totient is φ = 45171448.

The previous prime is 45171443. The next prime is 45171479. The reversal of 45171449 is 94417154.

45171449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 5569600 = 6293^2 + 2360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45171449 is a prime.

It is not a weakly prime, because it can be changed into another prime (45171443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22585724 + 22585725.

It is an arithmetic number, because the mean of its divisors is an integer number (22585725).

Almost surely, 2^45171449 is an apocalyptic number.

It is an amenable number.

45171449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45171449 is an equidigital number, since it uses as much as digits as its factorization.

45171449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 45171449 is about 6720.9708376097. The cubic root of 45171449 is about 356.1404807905.

The spelling of 45171449 in words is "forty-five million, one hundred seventy-one thousand, four hundred forty-nine".