1442444 has 6 divisors (see below), whose sum is σ = 2524284. Its totient is φ = 721220.

The previous prime is 1442437. The next prime is 1442453. The reversal of 1442444 is 4442441.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180302 + ... + 180309.

It is an arithmetic number, because the mean of its divisors is an integer number (420714).

2^1442444 is an apocalyptic number.

It is an amenable number.

1442444 is a deficient number, since it is larger than the sum of its proper divisors (1081840).

1442444 is a wasteful number, since it uses less digits than its factorization.

1442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360615 (or 360613 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 1442444 is about 1201.0179016151. The cubic root of 1442444 is about 112.9881732473.

Adding to 1442444 its reverse (4442441), we get a palindrome (5884885).

The spelling of 1442444 in words is "one million, four hundred forty-two thousand, four hundred forty-four".