44445 has 8 divisors (see below), whose sum is σ = 71136. Its totient is φ = 23696.

The previous prime is 44417. The next prime is 44449. The reversal of 44445 is 54444.

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 44445 - 2⁶ = 44381 is a prime.

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 (44449) 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, 1467 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (8892).

2⁴⁴⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

44445 is a deficient number, since it is larger than the sum of its proper divisors (26691).

44445 is a wasteful number, since it uses less digits than its factorization.

44445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971.

The product of its digits is 1280, while the sum is 21.

The square root of 44445 is about 210.8198282895. The cubic root of 44445 is about 35.4220998969.

Adding to 44445 its reverse (54444), we get a palindrome (98889).

Subtracting 44445 from its reverse (54444), we obtain a palindrome (9999).

The spelling of 44445 in words is "forty-four thousand, four hundred forty-five".