14455023021 has 16 divisors (see below), whose sum is σ = 21655468800. Its totient is φ = 9528403104.

The previous prime is 14455022971. The next prime is 14455023043. The reversal of 14455023021 is 12032055441.

It is not a de Polignac number, because 14455023021 - 2⁹ = 14455022509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14455023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005301 + ... + 3010106.

It is an arithmetic number, because the mean of its divisors is an integer number (1353466800).

Almost surely, 2^14455023021 is an apocalyptic number.

It is an amenable number.

14455023021 is a deficient number, since it is larger than the sum of its proper divisors (7200445779).

14455023021 is an equidigital number, since it uses as much as digits as its factorization.

14455023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015505 (or 6015499 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 14455023021 its reverse (12032055441), we get a palindrome (26487078462).

The spelling of 14455023021 in words is "fourteen billion, four hundred fifty-five million, twenty-three thousand, twenty-one".