111345225 has 24 divisors (see below), whose sum is σ = 193782240. Its totient is φ = 56257920.

The previous prime is 111345197. The next prime is 111345229. The reversal of 111345225 is 522543111.

It is a happy number.

It is not a de Polignac number, because 111345225 - 2⁵ = 111345193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111345195 and 111345204.

It is not an unprimeable number, because it can be changed into a prime (111345229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37644 + ... + 40493.

It is an arithmetic number, because the mean of its divisors is an integer number (8074260).

Almost surely, 2^111345225 is an apocalyptic number.

111345225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111345225 is a deficient number, since it is larger than the sum of its proper divisors (82437015).

111345225 is a wasteful number, since it uses less digits than its factorization.

111345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78169 (or 78164 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 111345225 is about 10552.0246872342. The cubic root of 111345225 is about 481.0872705559.

Adding to 111345225 its reverse (522543111), we get a palindrome (633888336).

The spelling of 111345225 in words is "one hundred eleven million, three hundred forty-five thousand, two hundred twenty-five".