14728144 has 10 divisors (see below), whose sum is σ = 28535810. Its totient is φ = 7364064.

The previous prime is 14728127. The next prime is 14728157. The reversal of 14728144 is 44182741.

It is a happy number.

14728144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 4359744 = 3220^2 + 2088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460239 + ... + 460270.

It is an arithmetic number, because the mean of its divisors is an integer number (2853581).

Almost surely, 2^14728144 is an apocalyptic number.

It is an amenable number.

14728144 is a deficient number, since it is larger than the sum of its proper divisors (13807666).

14728144 is an equidigital number, since it uses as much as digits as its factorization.

14728144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920517 (or 920511 counting only the distinct ones).

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

The square root of 14728144 is about 3837.7264102591. The cubic root of 14728144 is about 245.1222158528.

The spelling of 14728144 in words is "fourteen million, seven hundred twenty-eight thousand, one hundred forty-four".