14121453145 has 4 divisors (see below), whose sum is σ = 16945743780. Its totient is φ = 11297162512.

The previous prime is 14121453139. The next prime is 14121453173. The reversal of 14121453145 is 54135412141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54135412141 = 2477 ⋅21855233.

It can be written as a sum of positive squares in 2 ways, for example, as 7569522009 + 6551931136 = 87003^2 + 80944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14121453145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412145310 + ... + 1412145319.

It is an arithmetic number, because the mean of its divisors is an integer number (4236435945).

Almost surely, 2^14121453145 is an apocalyptic number.

It is an amenable number.

14121453145 is a deficient number, since it is larger than the sum of its proper divisors (2824290635).

14121453145 is an equidigital number, since it uses as much as digits as its factorization.

14121453145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824290634.

The product of its digits is 9600, while the sum is 31.

Adding to 14121453145 its reverse (54135412141), we get a palindrome (68256865286).

The spelling of 14121453145 in words is "fourteen billion, one hundred twenty-one million, four hundred fifty-three thousand, one hundred forty-five".