445322443 has 16 divisors (see below), whose sum is σ = 463367520. Its totient is φ = 427680000.

The previous prime is 445322413. The next prime is 445322459. The reversal of 445322443 is 344223544.

It is a cyclic number.

It is not a de Polignac number, because 445322443 - 2⁹ = 445321931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445322413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121521 + ... + 1121917.

It is an arithmetic number, because the mean of its divisors is an integer number (28960470).

Almost surely, 2^445322443 is an apocalyptic number.

445322443 is a deficient number, since it is larger than the sum of its proper divisors (18045077).

445322443 is a wasteful number, since it uses less digits than its factorization.

445322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 46080, while the sum is 31.

The square root of 445322443 is about 21102.6643578483. The cubic root of 445322443 is about 763.6450265427.

Adding to 445322443 its reverse (344223544), we get a palindrome (789545987).

It can be divided in two parts, 4453 and 22443, that added together give a square (26896 = 164²).

The spelling of 445322443 in words is "four hundred forty-five million, three hundred twenty-two thousand, four hundred forty-three".