1442318 has 4 divisors (see below), whose sum is σ = 2163480. Its totient is φ = 721158.

The previous prime is 1442317. The next prime is 1442321. The reversal of 1442318 is 8132441.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1442293 and 1442302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442317) by changing a digit.

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, 360578 + ... + 360581.

It is an arithmetic number, because the mean of its divisors is an integer number (540870).

2^1442318 is an apocalyptic number.

1442318 is a deficient number, since it is larger than the sum of its proper divisors (721162).

1442318 is an equidigital number, since it uses as much as digits as its factorization.

1442318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721161.

The product of its digits is 768, while the sum is 23.

The square root of 1442318 is about 1200.9654449650. The cubic root of 1442318 is about 112.9848832468.

Adding to 1442318 its reverse (8132441), we get a palindrome (9574759).

It can be divided in two parts, 14423 and 18, that added together give a palindrome (14441).

The spelling of 1442318 in words is "one million, four hundred forty-two thousand, three hundred eighteen".