14442143407 has 4 divisors (see below), whose sum is σ = 14443977816. Its totient is φ = 14440309000.

The previous prime is 14442143351. The next prime is 14442143423. The reversal of 14442143407 is 70434124441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14442143407 - 2²³ = 14433754799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14442143707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905344 + ... + 921157.

It is an arithmetic number, because the mean of its divisors is an integer number (3610994454).

Almost surely, 2^14442143407 is an apocalyptic number.

14442143407 is a deficient number, since it is larger than the sum of its proper divisors (1834409).

14442143407 is an equidigital number, since it uses as much as digits as its factorization.

14442143407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834408.

The product of its (nonzero) digits is 43008, while the sum is 34.

Adding to 14442143407 its reverse (70434124441), we get a palindrome (84876267848).

The spelling of 14442143407 in words is "fourteen billion, four hundred forty-two million, one hundred forty-three thousand, four hundred seven".