14230145521 has 2 divisors, whose sum is σ = 14230145522. Its totient is φ = 14230145520.

The previous prime is 14230145509. The next prime is 14230145537. The reversal of 14230145521 is 12554103241.

14230145521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13911023025 + 319122496 = 117945^2 + 17864^2 .

It is a cyclic number.

It is not a de Polignac number, because 14230145521 - 2⁹ = 14230145009 is a prime.

It is a super-2 number, since 2×14230145521² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14230145521.

It is not a weakly prime, because it can be changed into another prime (14230145591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7115072760 + 7115072761.

It is an arithmetic number, because the mean of its divisors is an integer number (7115072761).

Almost surely, 2^14230145521 is an apocalyptic number.

It is an amenable number.

14230145521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14230145521 is an equidigital number, since it uses as much as digits as its factorization.

14230145521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 14230145521 its reverse (12554103241), we get a palindrome (26784248762).

The spelling of 14230145521 in words is "fourteen billion, two hundred thirty million, one hundred forty-five thousand, five hundred twenty-one".