14445021 has 16 divisors (see below), whose sum is σ = 19820160. Its totient is φ = 9354240.

The previous prime is 14445001. The next prime is 14445023. The reversal of 14445021 is 12054441.

It is a happy number.

It is not a de Polignac number, because 14445021 - 2⁶ = 14444957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15085 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (1238760).

Almost surely, 2^14445021 is an apocalyptic number.

It is an amenable number.

14445021 is a deficient number, since it is larger than the sum of its proper divisors (5375139).

14445021 is an equidigital number, since it uses as much as digits as its factorization.

14445021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 14445021 is about 3800.6606004746. The cubic root of 14445021 is about 243.5413593982.

Adding to 14445021 its reverse (12054441), we get a palindrome (26499462).

The spelling of 14445021 in words is "fourteen million, four hundred forty-five thousand, twenty-one".