1442332263 has 8 divisors (see below), whose sum is σ = 1923462400. Its totient is φ = 961378488.

The previous prime is 1442332253. The next prime is 1442332271. The reversal of 1442332263 is 3622332441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442332263 - 2¹⁴ = 1442315879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442332263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442332223) 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 7 ways as a sum of consecutive naturals, for example, 23653 + ... + 58686.

It is an arithmetic number, because the mean of its divisors is an integer number (240432800).

Almost surely, 2^1442332263 is an apocalyptic number.

1442332263 is a deficient number, since it is larger than the sum of its proper divisors (481130137).

1442332263 is an equidigital number, since it uses as much as digits as its factorization.

1442332263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88181.

The product of its digits is 20736, while the sum is 30.

The square root of 1442332263 is about 37978.0497524557. The cubic root of 1442332263 is about 1129.8525567928.

The spelling of 1442332263 in words is "one billion, four hundred forty-two million, three hundred thirty-two thousand, two hundred sixty-three".