1442243 has 4 divisors (see below), whose sum is σ = 1573368. Its totient is φ = 1311120.

The previous prime is 1442227. The next prime is 1442251. The reversal of 1442243 is 3422441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442243 - 2⁴ = 1442227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65546 + ... + 65567.

It is an arithmetic number, because the mean of its divisors is an integer number (393342).

2^1442243 is an apocalyptic number.

1442243 is a deficient number, since it is larger than the sum of its proper divisors (131125).

1442243 is a wasteful number, since it uses less digits than its factorization.

1442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131124.

The product of its digits is 768, while the sum is 20.

The square root of 1442243 is about 1200.9342196807. The cubic root of 1442243 is about 112.9829248222.

Adding to 1442243 its reverse (3422441), we get a palindrome (4864684).

It can be divided in two parts, 1 and 442243, that added together give a palindrome (442244).

The spelling of 1442243 in words is "one million, four hundred forty-two thousand, two hundred forty-three".