445354373 has 2 divisors, whose sum is σ = 445354374. Its totient is φ = 445354372.

The previous prime is 445354369. The next prime is 445354453. The reversal of 445354373 is 373453544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267878689 + 177475684 = 16367^2 + 13322^2 .

It is a cyclic number.

It is not a de Polignac number, because 445354373 - 2² = 445354369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_23619755 and since 445354373 and 23619755 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445354303) 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, 222677186 + 222677187.

It is an arithmetic number, because the mean of its divisors is an integer number (222677187).

Almost surely, 2^445354373 is an apocalyptic number.

It is an amenable number.

445354373 is a deficient number, since it is larger than the sum of its proper divisors (1).

445354373 is an equidigital number, since it uses as much as digits as its factorization.

445354373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 38.

The square root of 445354373 is about 21103.4208838283. The cubic root of 445354373 is about 763.6632774403.

The spelling of 445354373 in words is "four hundred forty-five million, three hundred fifty-four thousand, three hundred seventy-three".