14523140 has 12 divisors (see below), whose sum is σ = 30498636. Its totient is φ = 5809248.

The previous prime is 14523139. The next prime is 14523149. The reversal of 14523140 is 4132541.

14523140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 12945604 = 1256^2 + 3598^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 726157 = 14523140 / (1 + 4 + 5 + 2 + 3 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (14523149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363059 + ... + 363098.

It is an arithmetic number, because the mean of its divisors is an integer number (2541553).

Almost surely, 2^14523140 is an apocalyptic number.

14523140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14523140 is an abundant number, since it is smaller than the sum of its proper divisors (15975496).

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

14523140 is a wasteful number, since it uses less digits than its factorization.

14523140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726166 (or 726164 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14523140 is about 3810.9237725255. The cubic root of 14523140 is about 243.9795960722.

Adding to 14523140 its reverse (4132541), we get a palindrome (18655681).

The spelling of 14523140 in words is "fourteen million, five hundred twenty-three thousand, one hundred forty".