444542 has 16 divisors (see below), whose sum is σ = 771552. Its totient is φ = 188160.

The previous prime is 444539. The next prime is 444547. The reversal of 444542 is 245444.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444542.

It is not an unprimeable number, because it can be changed into a prime (444547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1442 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (48222).

2⁴⁴⁴⁵⁴² is an apocalyptic number.

444542 is a deficient number, since it is larger than the sum of its proper divisors (327010).

444542 is a wasteful number, since it uses less digits than its factorization.

444542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its digits is 2560, while the sum is 23.

The square root of 444542 is about 666.7398293188. The cubic root of 444542 is about 76.3198660901.

Adding to 444542 its reverse (245444), we get a palindrome (689986).

The spelling of 444542 in words is "four hundred forty-four thousand, five hundred forty-two".