14509240 has 32 divisors (see below), whose sum is σ = 33701760. Its totient is φ = 5616000.

The previous prime is 14509181. The next prime is 14509241. The reversal of 14509240 is 4290541.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14509241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4611 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (1053180).

Almost surely, 2^14509240 is an apocalyptic number.

14509240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14509240 is an abundant number, since it is smaller than the sum of its proper divisors (19192520).

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

14509240 is a wasteful number, since it uses less digits than its factorization.

14509240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743 (or 11739 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 14509240 is about 3809.0996311464. The cubic root of 14509240 is about 243.9017341476.

Adding to 14509240 its reverse (4290541), we get a palindrome (18799781).

The spelling of 14509240 in words is "fourteen million, five hundred nine thousand, two hundred forty".