112233145 has 4 divisors (see below), whose sum is σ = 134679780. Its totient is φ = 89786512.

The previous prime is 112233131. The next prime is 112233151. The reversal of 112233145 is 541332211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21049744 + 91183401 = 4588^2 + 9549^2 .

It is a cyclic number.

It is not a de Polignac number, because 112233145 - 2⁹ = 112232633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11223310 + ... + 11223319.

It is an arithmetic number, because the mean of its divisors is an integer number (33669945).

Almost surely, 2^112233145 is an apocalyptic number.

It is an amenable number.

112233145 is a deficient number, since it is larger than the sum of its proper divisors (22446635).

112233145 is an equidigital number, since it uses as much as digits as its factorization.

112233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22446634.

The product of its digits is 720, while the sum is 22.

The square root of 112233145 is about 10594.0145837166. The cubic root of 112233145 is about 482.3626928150.

Adding to 112233145 its reverse (541332211), we get a palindrome (653565356).

The spelling of 112233145 in words is "one hundred twelve million, two hundred thirty-three thousand, one hundred forty-five".