14540231 has 4 divisors (see below), whose sum is σ = 14553432. Its totient is φ = 14527032.

The previous prime is 14540167. The next prime is 14540233. The reversal of 14540231 is 13204541.

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 14540231 - 2⁶ = 14540167 is a prime.

It is a super-2 number, since 2×14540231² = 422836635066722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540233) 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, 4781 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (3638358).

Almost surely, 2^14540231 is an apocalyptic number.

14540231 is a deficient number, since it is larger than the sum of its proper divisors (13201).

14540231 is a wasteful number, since it uses less digits than its factorization.

14540231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14540231 is about 3813.1654829026. The cubic root of 14540231 is about 244.0752645625.

Adding to 14540231 its reverse (13204541), we get a palindrome (27744772).

The spelling of 14540231 in words is "fourteen million, five hundred forty thousand, two hundred thirty-one".