14644145 has 4 divisors (see below), whose sum is σ = 17572980. Its totient is φ = 11715312.

The previous prime is 14644141. The next prime is 14644163. The reversal of 14644145 is 54144641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 12138256 = 1583^2 + 3484^2 .

It is a cyclic number.

It is not a de Polignac number, because 14644145 - 2² = 14644141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14644141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464410 + ... + 1464419.

It is an arithmetic number, because the mean of its divisors is an integer number (4393245).

Almost surely, 2^14644145 is an apocalyptic number.

It is an amenable number.

14644145 is a deficient number, since it is larger than the sum of its proper divisors (2928835).

14644145 is an equidigital number, since it uses as much as digits as its factorization.

14644145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928834.

The product of its digits is 7680, while the sum is 29.

The square root of 14644145 is about 3826.7669121597. The cubic root of 14644145 is about 244.6553254062.

Adding to 14644145 its reverse (54144641), we get a palindrome (68788786).

The spelling of 14644145 in words is "fourteen million, six hundred forty-four thousand, one hundred forty-five".