444445 has 8 divisors (see below), whose sum is σ = 539136. Its totient is φ = 351696.

The previous prime is 444443. The next prime is 444449. The reversal of 444445 is 544444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444445 - 2¹ = 444443 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (67392).

2⁴⁴⁴⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

444445 is a deficient number, since it is larger than the sum of its proper divisors (94691).

444445 is a wasteful number, since it uses less digits than its factorization.

444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 5120, while the sum is 25.

The square root of 444445 is about 666.6670833332. The cubic root of 444445 is about 76.3143146345.

Adding to 444445 its reverse (544444), we get a palindrome (988889).

Subtracting 444445 from its reverse (544444), we obtain a palindrome (99999).

It can be divided in two parts, 4444 and 45, that added together give a square (4489 = 67²).

The spelling of 444445 in words is "four hundred forty-four thousand, four hundred forty-five".