111400245 has 32 divisors (see below), whose sum is σ = 216051840. Its totient is φ = 54011520.

The previous prime is 111400243. The next prime is 111400271. The reversal of 111400245 is 542004111.

It is not a de Polignac number, because 111400245 - 2¹ = 111400243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36024 + ... + 38993.

It is an arithmetic number, because the mean of its divisors is an integer number (6751620).

Almost surely, 2^111400245 is an apocalyptic number.

111400245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111400245 is a deficient number, since it is larger than the sum of its proper divisors (104651595).

111400245 is a wasteful number, since it uses less digits than its factorization.

111400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75042 (or 75036 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 111400245 is about 10554.6314478526. The cubic root of 111400245 is about 481.1664988089.

Adding to 111400245 its reverse (542004111), we get a palindrome (653404356).

The spelling of 111400245 in words is "one hundred eleven million, four hundred thousand, two hundred forty-five".