1442664104345 has 8 divisors (see below), whose sum is σ = 1748004662976. Its totient is φ = 1142926124976.

The previous prime is 1442664104333. The next prime is 1442664104347. The reversal of 1442664104345 is 5434014662441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442664104345 is a prime.

It is a super-2 number, since 2×1442664104345² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1442664104296 and 1442664104305.

It is not an unprimeable number, because it can be changed into a prime (1442664104347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400644247 + ... + 1400645276.

It is an arithmetic number, because the mean of its divisors is an integer number (218500582872).

Almost surely, 2^{1442664104345} is an apocalyptic number.

It is an amenable number.

1442664104345 is a deficient number, since it is larger than the sum of its proper divisors (305340558631).

1442664104345 is a wasteful number, since it uses less digits than its factorization.

1442664104345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801289631.

The product of its (nonzero) digits is 1105920, while the sum is 44.

Adding to 1442664104345 its reverse (5434014662441), we get a palindrome (6876678766786).

The spelling of 1442664104345 in words is "one trillion, four hundred forty-two billion, six hundred sixty-four million, one hundred four thousand, three hundred forty-five".