13845225 has 24 divisors (see below), whose sum is σ = 24239520. Its totient is φ = 6949120.

The previous prime is 13845217. The next prime is 13845239. The reversal of 13845225 is 52254831.

13845225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13845225 - 2³ = 13845217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13845192 and 13845201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4155 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (1009980).

Almost surely, 2^13845225 is an apocalyptic number.

13845225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13845225 is a deficient number, since it is larger than the sum of its proper divisors (10394295).

13845225 is a wasteful number, since it uses less digits than its factorization.

13845225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10884 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 13845225 is about 3720.9172256313. The cubic root of 13845225 is about 240.1227670514.

The spelling of 13845225 in words is "thirteen million, eight hundred forty-five thousand, two hundred twenty-five".