1442042233 has 4 divisors (see below), whose sum is σ = 1443188880. Its totient is φ = 1440895588.

The previous prime is 1442042207. The next prime is 1442042267. The reversal of 1442042233 is 3322402441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1442042233 - 2²¹ = 1439945081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442042198 and 1442042207.

It is not an unprimeable number, because it can be changed into a prime (1442042633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571435 + ... + 573952.

It is an arithmetic number, because the mean of its divisors is an integer number (360797220).

Almost surely, 2^1442042233 is an apocalyptic number.

It is an amenable number.

1442042233 is a deficient number, since it is larger than the sum of its proper divisors (1146647).

1442042233 is a wasteful number, since it uses less digits than its factorization.

1442042233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146646.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1442042233 is about 37974.2311706241. The cubic root of 1442042233 is about 1129.7768199435.

Adding to 1442042233 its reverse (3322402441), we get a palindrome (4764444674).

The spelling of 1442042233 in words is "one billion, four hundred forty-two million, forty-two thousand, two hundred thirty-three".