14745520 has 80 divisors (see below), whose sum is σ = 36828000. Its totient is φ = 5474304.

The previous prime is 14745509. The next prime is 14745547. The reversal of 14745520 is 2554741.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135226 + ... + 135334.

It is an arithmetic number, because the mean of its divisors is an integer number (460350).

Almost surely, 2^14745520 is an apocalyptic number.

14745520 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 14745520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18414000).

14745520 is an abundant number, since it is smaller than the sum of its proper divisors (22082480).

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

14745520 is a wasteful number, since it uses less digits than its factorization.

14745520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 14745520 is about 3839.9895833192. The cubic root of 14745520 is about 245.2185748990.

The spelling of 14745520 in words is "fourteen million, seven hundred forty-five thousand, five hundred twenty".