14215745 has 16 divisors (see below), whose sum is σ = 17522688. Its totient is φ = 11067840.

The previous prime is 14215711. The next prime is 14215753. The reversal of 14215745 is 54751241.

It is not a de Polignac number, because 14215745 - 2⁶ = 14215681 is a prime.

It is a Duffinian number.

14215745 is a Rhonda number in base 10.

Its product of digits (5600) is a multiple of the sum of its prime divisors (560).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38552 + ... + 38918.

It is an arithmetic number, because the mean of its divisors is an integer number (1095168).

Almost surely, 2^14215745 is an apocalyptic number.

It is an amenable number.

14215745 is a deficient number, since it is larger than the sum of its proper divisors (3306943).

14215745 is a wasteful number, since it uses less digits than its factorization.

14215745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 5600, while the sum is 29.

The square root of 14215745 is about 3770.3773020747. The cubic root of 14215745 is about 242.2459592074.

Adding to 14215745 its reverse (54751241), we get a palindrome (68966986).

The spelling of 14215745 in words is "fourteen million, two hundred fifteen thousand, seven hundred forty-five".