14242540 has 24 divisors (see below), whose sum is σ = 32210640. Its totient is φ = 5258688.

The previous prime is 14242537. The next prime is 14242561. The reversal of 14242540 is 4524241.

It is a happy number.

It is an unprimeable number.

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, 27130 + ... + 27649.

It is an arithmetic number, because the mean of its divisors is an integer number (1342110).

Almost surely, 2^14242540 is an apocalyptic number.

14242540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14242540 is an abundant number, since it is smaller than the sum of its proper divisors (17968100).

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

14242540 is a wasteful number, since it uses less digits than its factorization.

14242540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54801 (or 54799 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 14242540 is about 3773.9289871432. The cubic root of 14242540 is about 242.3980653522.

Adding to 14242540 its reverse (4524241), we get a palindrome (18766781).

It can be divided in two parts, 142425 and 40, that multiplied together give a triangular number (5697000 = T₃₃₇₅).

The spelling of 14242540 in words is "fourteen million, two hundred forty-two thousand, five hundred forty".