14221665545 has 8 divisors (see below), whose sum is σ = 17083365696. Its totient is φ = 11365754416.

The previous prime is 14221665539. The next prime is 14221665551. The reversal of 14221665545 is 54556612241.

It is an interprime number because it is at equal distance from previous prime (14221665539) and next prime (14221665551).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14221665545 - 2⁴ = 14221665529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441847 + ... + 1451676.

It is an arithmetic number, because the mean of its divisors is an integer number (2135420712).

Almost surely, 2^14221665545 is an apocalyptic number.

It is an amenable number.

14221665545 is a deficient number, since it is larger than the sum of its proper divisors (2861700151).

14221665545 is an equidigital number, since it uses as much as digits as its factorization.

14221665545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894511.

The product of its digits is 288000, while the sum is 41.

The spelling of 14221665545 in words is "fourteen billion, two hundred twenty-one million, six hundred sixty-five thousand, five hundred forty-five".