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14540 = 225727

14540 has 12 divisors (see below), whose sum is σ = 30576. Its totient is φ = 5808.

The previous prime is 14537. The next prime is 14543. The reversal of 14540 is 4541.

14540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14537) and next prime (14543).

It is a super-2 number, since 2×145402 = 422823200, which contains 22 as substring.

It is a plaindrome in base 16.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (14543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 383.

It is an arithmetic number, because the mean of its divisors is an integer number (2548).

214540 is an apocalyptic number.

14540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14540 is an abundant number, since it is smaller than the sum of its proper divisors (16036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15288).

14540 is a wasteful number, since it uses less digits than its factorization.

14540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 14540 is about 120.5819223599. The cubic root of 14540 is about 24.4073972018.

Subtracting from 14540 its reverse (4541), we obtain a palindrome (9999).

The spelling of 14540 in words is "fourteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 727 1454 2908 3635 7270 14540