14232540 has 144 divisors (see below), whose sum is σ = 47803392. Its totient is φ = 3153024.

The previous prime is 14232499. The next prime is 14232541. The reversal of 14232540 is 4523241.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14232541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138129 + ... + 138231.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^14232540 is an apocalyptic number.

14232540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14232540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23901696).

14232540 is an abundant number, since it is smaller than the sum of its proper divisors (33570852).

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

14232540 is a wasteful number, since it uses less digits than its factorization.

14232540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 14232540 is about 3772.6038753095. The cubic root of 14232540 is about 242.3413210686.

Adding to 14232540 its reverse (4523241), we get a palindrome (18755781).

The spelling of 14232540 in words is "fourteen million, two hundred thirty-two thousand, five hundred forty".