14545435221 has 32 divisors (see below), whose sum is σ = 22495104000. Its totient is φ = 9271470384.

The previous prime is 14545435211. The next prime is 14545435231. The reversal of 14545435221 is 12253454541.

14545435221 is a `hidden beast` number, since 1 + 4 + 545 + 43 + 52 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (14545435211) and next prime (14545435231).

It is not a de Polignac number, because 14545435221 - 2²⁹ = 14008564309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14545435211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567490 + ... + 2573148.

It is an arithmetic number, because the mean of its divisors is an integer number (702972000).

Almost surely, 2^14545435221 is an apocalyptic number.

It is an amenable number.

14545435221 is a deficient number, since it is larger than the sum of its proper divisors (7949668779).

14545435221 is a wasteful number, since it uses less digits than its factorization.

14545435221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830 (or 9824 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 14545435221 its reverse (12253454541), we get a palindrome (26798889762).

The spelling of 14545435221 in words is "fourteen billion, five hundred forty-five million, four hundred thirty-five thousand, two hundred twenty-one".