14451428 has 18 divisors (see below), whose sum is σ = 26835858. Its totient is φ = 6785920.

The previous prime is 14451427. The next prime is 14451433. The reversal of 14451428 is 82415441.

It can be written as a sum of positive squares in 3 ways, for example, as 1763584 + 12687844 = 1328^2 + 3562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14451428.

It is not an unprimeable number, because it can be changed into a prime (14451427) 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 5 ways as a sum of consecutive naturals, for example, 31118 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (1490881).

Almost surely, 2^14451428 is an apocalyptic number.

It is an amenable number.

14451428 is a deficient number, since it is larger than the sum of its proper divisors (12384430).

14451428 is an equidigital number, since it uses as much as digits as its factorization.

14451428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 480 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 14451428 is about 3801.5033868195. The cubic root of 14451428 is about 243.5773611654.

Adding to 14451428 its reverse (82415441), we get a palindrome (96866869).

The spelling of 14451428 in words is "fourteen million, four hundred fifty-one thousand, four hundred twenty-eight".