14145239 has 4 divisors (see below), whose sum is σ = 14165424. Its totient is φ = 14125056.

The previous prime is 14145233. The next prime is 14145247. The reversal of 14145239 is 93254141.

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

It is a cyclic number.

It is not a de Polignac number, because 14145239 - 2⁸ = 14144983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14145233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9002 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (3541356).

Almost surely, 2^14145239 is an apocalyptic number.

14145239 is a deficient number, since it is larger than the sum of its proper divisors (20185).

14145239 is an equidigital number, since it uses as much as digits as its factorization.

14145239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184.

The product of its digits is 4320, while the sum is 29.

The square root of 14145239 is about 3761.0156872845. The cubic root of 14145239 is about 241.8448052144.

The spelling of 14145239 in words is "fourteen million, one hundred forty-five thousand, two hundred thirty-nine".