112240155 has 16 divisors (see below), whose sum is σ = 181437984. Its totient is φ = 59243520.

The previous prime is 112240147. The next prime is 112240157. The reversal of 112240155 is 551042211.

It is not a de Polignac number, because 112240155 - 2³ = 112240147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112240157) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37116 + ... + 40025.

It is an arithmetic number, because the mean of its divisors is an integer number (11339874).

Almost surely, 2^112240155 is an apocalyptic number.

112240155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112240155 is a deficient number, since it is larger than the sum of its proper divisors (69197829).

112240155 is an equidigital number, since it uses as much as digits as its factorization.

112240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77246.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 112240155 is about 10594.3454257448. The cubic root of 112240155 is about 482.3727352794.

Adding to 112240155 its reverse (551042211), we get a palindrome (663282366).

The spelling of 112240155 in words is "one hundred twelve million, two hundred forty thousand, one hundred fifty-five".