14445221143145 has 8 divisors (see below), whose sum is σ = 18667670400456. Its totient is φ = 10667240228736.

The previous prime is 14445221143121. The next prime is 14445221143153. The reversal of 14445221143145 is 54134112254441.

It can be written as a sum of positive squares in 4 ways, for example, as 546551182681 + 13898669960464 = 739291^2 + 3728092^2 .

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

It is not a de Polignac number, because 14445221143145 - 2⁶ = 14445221143081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 111117085652 + ... + 111117085781.

It is an arithmetic number, because the mean of its divisors is an integer number (2333458800057).

Almost surely, 2^{14445221143145} is an apocalyptic number.

It is an amenable number.

14445221143145 is a deficient number, since it is larger than the sum of its proper divisors (4222449257311).

14445221143145 is a wasteful number, since it uses less digits than its factorization.

14445221143145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222234171451.

The product of its digits is 307200, while the sum is 41.

Adding to 14445221143145 its reverse (54134112254441), we get a palindrome (68579333397586).

The spelling of 14445221143145 in words is "fourteen trillion, four hundred forty-five billion, two hundred twenty-one million, one hundred forty-three thousand, one hundred forty-five".