544445 has 16 divisors (see below), whose sum is σ = 751680. Its totient is φ = 374400.

The previous prime is 544429. The next prime is 544451.

544445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544445 - 2⁴ = 544429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (46980).

2⁵⁴⁴⁴⁴⁵ is an apocalyptic number.

544445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544445 is a deficient number, since it is larger than the sum of its proper divisors (207235).

544445 is a wasteful number, since it uses less digits than its factorization.

544445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 6400, while the sum is 26.

The square root of 544445 is about 737.8651638342. The cubic root of 544445 is about 81.6553549977.

It can be divided in two parts, 544 and 445, that added together give a palindrome (989).

The spelling of 544445 in words is "five hundred forty-four thousand, four hundred forty-five".