445244321305 has 16 divisors (see below), whose sum is σ = 610652085120. Its totient is φ = 305294740992.

The previous prime is 445244321251. The next prime is 445244321383. The reversal of 445244321305 is 503123442544.

It is a cyclic number.

It is not a de Polignac number, because 445244321305 - 2¹¹ = 445244319257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388522 + ... + 1020508.

It is an arithmetic number, because the mean of its divisors is an integer number (38165755320).

Almost surely, 2^445244321305 is an apocalyptic number.

It is an amenable number.

445244321305 is a deficient number, since it is larger than the sum of its proper divisors (165407763815).

445244321305 is a wasteful number, since it uses less digits than its factorization.

445244321305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652128.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 445244321305 its reverse (503123442544), we get a palindrome (948367763849).

The spelling of 445244321305 in words is "four hundred forty-five billion, two hundred forty-four million, three hundred twenty-one thousand, three hundred five".