442105 has 8 divisors (see below), whose sum is σ = 549000. Its totient is φ = 341376.

The previous prime is 442097. The next prime is 442109. The reversal of 442105 is 501244.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 436921 = 72^2 + 661^2 .

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 442105 - 2³ = 442097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442109) 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, 1380 + ... + 1669.

It is an arithmetic number, because the mean of its divisors is an integer number (68625).

2⁴⁴²¹⁰⁵ is an apocalyptic number.

It is an amenable number.

442105 is a deficient number, since it is larger than the sum of its proper divisors (106895).

442105 is a wasteful number, since it uses less digits than its factorization.

442105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 442105 is about 664.9097683145. The cubic root of 442105 is about 76.1801474404.

Adding to 442105 its reverse (501244), we get a palindrome (943349).

The spelling of 442105 in words is "four hundred forty-two thousand, one hundred five".