14223136645 has 4 divisors (see below), whose sum is σ = 17067763980. Its totient is φ = 11378509312.

The previous prime is 14223136619. The next prime is 14223136673. The reversal of 14223136645 is 54663132241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54663132241 = 71 ⋅769903271.

It can be written as a sum of positive squares in 2 ways, for example, as 10381368321 + 3841768324 = 101889^2 + 61982^2 .

It is a cyclic number.

It is not a de Polignac number, because 14223136645 - 2³³ = 5633202053 is a prime.

It is a congruent number.

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, 1422313660 + ... + 1422313669.

It is an arithmetic number, because the mean of its divisors is an integer number (4266940995).

Almost surely, 2^14223136645 is an apocalyptic number.

It is an amenable number.

14223136645 is a deficient number, since it is larger than the sum of its proper divisors (2844627335).

14223136645 is an equidigital number, since it uses as much as digits as its factorization.

14223136645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844627334.

The product of its digits is 103680, while the sum is 37.

Adding to 14223136645 its reverse (54663132241), we get a palindrome (68886268886).

The spelling of 14223136645 in words is "fourteen billion, two hundred twenty-three million, one hundred thirty-six thousand, six hundred forty-five".