14540321 has 8 divisors (see below), whose sum is σ = 15754464. Its totient is φ = 13366080.

The previous prime is 14540291. The next prime is 14540329. The reversal of 14540321 is 12304541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14540321 - 2¹⁴ = 14523937 is a prime.

It is a super-2 number, since 2×14540321² = 422841869566082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14540293 and 14540302.

It is not an unprimeable number, because it can be changed into a prime (14540329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9215 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (1969308).

Almost surely, 2^14540321 is an apocalyptic number.

It is an amenable number.

14540321 is a deficient number, since it is larger than the sum of its proper divisors (1214143).

14540321 is a wasteful number, since it uses less digits than its factorization.

14540321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19951.

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

The square root of 14540321 is about 3813.1772841031. The cubic root of 14540321 is about 244.0757681475.

Adding to 14540321 its reverse (12304541), we get a palindrome (26844862).

The spelling of 14540321 in words is "fourteen million, five hundred forty thousand, three hundred twenty-one".