14453643220 has 12 divisors (see below), whose sum is σ = 30352650804. Its totient is φ = 5781457280.

The previous prime is 14453643163. The next prime is 14453643221. The reversal of 14453643220 is 2234635441.

14453643220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3686675524 + 10766967696 = 60718^2 + 103764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14453643221) 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 in 3 ways as a sum of consecutive naturals, for example, 361341061 + ... + 361341100.

It is an arithmetic number, because the mean of its divisors is an integer number (2529387567).

Almost surely, 2^14453643220 is an apocalyptic number.

14453643220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14453643220 is an abundant number, since it is smaller than the sum of its proper divisors (15899007584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14453643220 is a wasteful number, since it uses less digits than its factorization.

14453643220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722682170 (or 722682168 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 14453643220 in words is "fourteen billion, four hundred fifty-three million, six hundred forty-three thousand, two hundred twenty".