14438457 has 48 divisors (see below), whose sum is σ = 25204608. Its totient is φ = 7856640.

The previous prime is 14438449. The next prime is 14438471. The reversal of 14438457 is 75483441.

It is not a de Polignac number, because 14438457 - 2³ = 14438449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14438057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38523 + ... + 38895.

It is an arithmetic number, because the mean of its divisors is an integer number (525096).

Almost surely, 2^14438457 is an apocalyptic number.

14438457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14438457 is a deficient number, since it is larger than the sum of its proper divisors (10766151).

14438457 is a wasteful number, since it uses less digits than its factorization.

14438457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 427 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 14438457 is about 3799.7969682603. The cubic root of 14438457 is about 243.5044643858.

It can be divided in two parts, 144384 and 57, that added together give a palindrome (144441).

The spelling of 14438457 in words is "fourteen million, four hundred thirty-eight thousand, four hundred fifty-seven".