1442237443225 has 12 divisors (see below), whose sum is σ = 1788482658256. Its totient is φ = 1153720129680.

The previous prime is 1442237443223. The next prime is 1442237443253. The reversal of 1442237443225 is 5223447322441.

It is not a de Polignac number, because 1442237443225 - 2¹ = 1442237443223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442237443223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1322247 + ... + 2152396.

Almost surely, 2^{1442237443225} is an apocalyptic number.

It is an amenable number.

1442237443225 is a deficient number, since it is larger than the sum of its proper divisors (346245215031).

1442237443225 is a wasteful number, since it uses less digits than its factorization.

1442237443225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491256 (or 3491251 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 43.

The spelling of 1442237443225 in words is "one trillion, four hundred forty-two billion, two hundred thirty-seven million, four hundred forty-three thousand, two hundred twenty-five".