14545423221 has 32 divisors (see below), whose sum is σ = 22641408000. Its totient is φ = 8134188480.

The previous prime is 14545423201. The next prime is 14545423237. The reversal of 14545423221 is 12232454541.

It is not a de Polignac number, because 14545423221 - 2²³ = 14537034613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14545423201) 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, 226390 + ... + 283448.

It is an arithmetic number, because the mean of its divisors is an integer number (707544000).

Almost surely, 2^14545423221 is an apocalyptic number.

It is an amenable number.

14545423221 is a deficient number, since it is larger than the sum of its proper divisors (8095984779).

14545423221 is a wasteful number, since it uses less digits than its factorization.

14545423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57329.

The product of its digits is 38400, while the sum is 33.

Adding to 14545423221 its reverse (12232454541), we get a palindrome (26777877762).

The spelling of 14545423221 in words is "fourteen billion, five hundred forty-five million, four hundred twenty-three thousand, two hundred twenty-one".