14728945 has 32 divisors (see below), whose sum is σ = 22404096. Its totient is φ = 9028800.

The previous prime is 14728943. The next prime is 14728951. The reversal of 14728945 is 54982741.

It is not a de Polignac number, because 14728945 - 2¹ = 14728943 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 14728898 and 14728907.

It is not an unprimeable number, because it can be changed into a prime (14728943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25510 + ... + 26080.

It is an arithmetic number, because the mean of its divisors is an integer number (700128).

Almost surely, 2^14728945 is an apocalyptic number.

It is an amenable number.

14728945 is a deficient number, since it is larger than the sum of its proper divisors (7675151).

14728945 is a wasteful number, since it uses less digits than its factorization.

14728945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its digits is 80640, while the sum is 40.

The square root of 14728945 is about 3837.8307675040. The cubic root of 14728945 is about 245.1266594843.

It can be divided in two parts, 147 and 28945, that added together give a palindrome (29092).

The spelling of 14728945 in words is "fourteen million, seven hundred twenty-eight thousand, nine hundred forty-five".