14154240 has 160 divisors (see below), whose sum is σ = 48121920. Its totient is φ = 3538944.

The previous prime is 14154229. The next prime is 14154247. The reversal of 14154240 is 4245141.

It is a happy number.

14154240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14154247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145872 + ... + 145968.

It is an arithmetic number, because the mean of its divisors is an integer number (300762).

Almost surely, 2^14154240 is an apocalyptic number.

14154240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14154240 is the 3072-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14154240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24060960).

14154240 is an abundant number, since it is smaller than the sum of its proper divisors (33967680).

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

14154240 is an equidigital number, since it uses as much as digits as its factorization.

14154240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 14154240 is about 3762.2121152322. The cubic root of 14154240 is about 241.8960918116.

Adding to 14154240 its reverse (4245141), we get a palindrome (18399381).

Subtracting from 14154240 its reverse (4245141), we obtain a palindrome (9909099).

The spelling of 14154240 in words is "fourteen million, one hundred fifty-four thousand, two hundred forty".