14545440 has 384 divisors, whose sum is σ = 64350720. Its totient is φ = 2985984.

The previous prime is 14545439. The next prime is 14545457. The reversal of 14545440 is 4454541.

14545440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 393102 + ... + 393138.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 2^14545440 is an apocalyptic number.

14545440 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 14545440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32175360).

14545440 is an abundant number, since it is smaller than the sum of its proper divisors (49805280).

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

14545440 is a wasteful number, since it uses less digits than its factorization.

14545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 14545440 is about 3813.8484500567. The cubic root of 14545440 is about 244.1044075259.

Adding to 14545440 its reverse (4454541), we get a palindrome (18999981).

The spelling of 14545440 in words is "fourteen million, five hundred forty-five thousand, four hundred forty".