111344245 has 4 divisors (see below), whose sum is σ = 133613100. Its totient is φ = 89075392.

The previous prime is 111344239. The next prime is 111344249. The reversal of 111344245 is 542443111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542443111 = 7 ⋅77491873.

It can be written as a sum of positive squares in 2 ways, for example, as 15186609 + 96157636 = 3897^2 + 9806^2 .

It is a cyclic number.

It is not a de Polignac number, because 111344245 - 2⁹ = 111343733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111344249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11134420 + ... + 11134429.

It is an arithmetic number, because the mean of its divisors is an integer number (33403275).

Almost surely, 2^111344245 is an apocalyptic number.

It is an amenable number.

111344245 is a deficient number, since it is larger than the sum of its proper divisors (22268855).

111344245 is an equidigital number, since it uses as much as digits as its factorization.

111344245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22268854.

The product of its digits is 1920, while the sum is 25.

The square root of 111344245 is about 10551.9782505462. The cubic root of 111344245 is about 481.0858591291.

Adding to 111344245 its reverse (542443111), we get a palindrome (653787356).

The spelling of 111344245 in words is "one hundred eleven million, three hundred forty-four thousand, two hundred forty-five".