14525820 has 144 divisors (see below), whose sum is σ = 48117888. Its totient is φ = 3532800.

The previous prime is 14525813. The next prime is 14525831. The reversal of 14525820 is 2852541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143770 + ... + 143870.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

Almost surely, 2^14525820 is an apocalyptic number.

14525820 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 14525820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24058944).

14525820 is an abundant number, since it is smaller than the sum of its proper divisors (33592068).

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

14525820 is a wasteful number, since it uses less digits than its factorization.

14525820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 14525820 is about 3811.2753770884. The cubic root of 14525820 is about 243.9946025860.

The spelling of 14525820 in words is "fourteen million, five hundred twenty-five thousand, eight hundred twenty".