1442475321 has 16 divisors (see below), whose sum is σ = 2198934528. Its totient is φ = 823942800.

The previous prime is 1442475241. The next prime is 1442475323. The reversal of 1442475321 is 1235742441.

It is not a de Polignac number, because 1442475321 - 2⁹ = 1442474809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442475323) 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 15 ways as a sum of consecutive naturals, for example, 46306 + ... + 70916.

It is an arithmetic number, because the mean of its divisors is an integer number (137433408).

Almost surely, 2^1442475321 is an apocalyptic number.

It is an amenable number.

1442475321 is a deficient number, since it is larger than the sum of its proper divisors (756459207).

1442475321 is a wasteful number, since it uses less digits than its factorization.

1442475321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27412.

The product of its digits is 26880, while the sum is 33.

The square root of 1442475321 is about 37979.9331358021. The cubic root of 1442475321 is about 1129.8899104382.

The spelling of 1442475321 in words is "one billion, four hundred forty-two million, four hundred seventy-five thousand, three hundred twenty-one".