14247945 has 12 divisors (see below), whose sum is σ = 24696516. Its totient is φ = 7598880.

The previous prime is 14247943. The next prime is 14247973. The reversal of 14247945 is 54974241.

It is a happy number.

14247945 is a `hidden beast` number, since 142 + 479 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 7420176 = 2613^2 + 2724^2 .

It is not a de Polignac number, because 14247945 - 2¹ = 14247943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14247943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158266 + ... + 158355.

It is an arithmetic number, because the mean of its divisors is an integer number (2058043).

Almost surely, 2^14247945 is an apocalyptic number.

14247945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14247945 is a deficient number, since it is larger than the sum of its proper divisors (10448571).

14247945 is a wasteful number, since it uses less digits than its factorization.

14247945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316632 (or 316629 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 14247945 is about 3774.6450164221. The cubic root of 14247945 is about 242.4287245802.

The spelling of 14247945 in words is "fourteen million, two hundred forty-seven thousand, nine hundred forty-five".