14144728 has 32 divisors (see below), whose sum is σ = 28722960. Its totient is φ = 6491520.

The previous prime is 14144717. The next prime is 14144729. The reversal of 14144728 is 82744141.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14144728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14144729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28563 + ... + 29053.

Almost surely, 2^14144728 is an apocalyptic number.

It is an amenable number.

14144728 is an abundant number, since it is smaller than the sum of its proper divisors (14578232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14144728 is a wasteful number, since it uses less digits than its factorization.

14144728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 14144728 is about 3760.9477528942. The cubic root of 14144728 is about 241.8418929463.

Adding to 14144728 its reverse (82744141), we get a palindrome (96888869).

The spelling of 14144728 in words is "fourteen million, one hundred forty-four thousand, seven hundred twenty-eight".