443442445 has 16 divisors (see below), whose sum is σ = 562079232. Its totient is φ = 335321280.

The previous prime is 443442427. The next prime is 443442473. The reversal of 443442445 is 544244344.

It is not a de Polignac number, because 443442445 - 2¹¹ = 443440397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 443442445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26602 + ... + 39931.

It is an arithmetic number, because the mean of its divisors is an integer number (35129952).

Almost surely, 2^443442445 is an apocalyptic number.

It is an amenable number.

443442445 is a deficient number, since it is larger than the sum of its proper divisors (118636787).

443442445 is a wasteful number, since it uses less digits than its factorization.

443442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66612.

The product of its digits is 122880, while the sum is 34.

The square root of 443442445 is about 21058.0731549684. The cubic root of 443442445 is about 762.5688953246.

Adding to 443442445 its reverse (544244344), we get a palindrome (987686789).

The spelling of 443442445 in words is "four hundred forty-three million, four hundred forty-two thousand, four hundred forty-five".