14245820 has 24 divisors (see below), whose sum is σ = 31491600. Its totient is φ = 5398272.

The previous prime is 14245811. The next prime is 14245823. The reversal of 14245820 is 2854241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14245820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14245823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18365 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (1312150).

Almost surely, 2^14245820 is an apocalyptic number.

14245820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14245820 is an abundant number, since it is smaller than the sum of its proper divisors (17245780).

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

14245820 is a wasteful number, since it uses less digits than its factorization.

14245820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37517 (or 37515 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 14245820 is about 3774.3635225028. The cubic root of 14245820 is about 242.4166716922.

The spelling of 14245820 in words is "fourteen million, two hundred forty-five thousand, eight hundred twenty".