112215143 has 8 divisors (see below), whose sum is σ = 113081760. Its totient is φ = 111352320.

The previous prime is 112215139. The next prime is 112215157. The reversal of 112215143 is 341512211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112215143 - 2² = 112215139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112214143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85871 + ... + 87167.

It is an arithmetic number, because the mean of its divisors is an integer number (14135220).

Almost surely, 2^112215143 is an apocalyptic number.

112215143 is a deficient number, since it is larger than the sum of its proper divisors (866617).

112215143 is a wasteful number, since it uses less digits than its factorization.

112215143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its digits is 240, while the sum is 20.

The square root of 112215143 is about 10593.1649189466. The cubic root of 112215143 is about 482.3369013921.

Adding to 112215143 its reverse (341512211), we get a palindrome (453727354).

The spelling of 112215143 in words is "one hundred twelve million, two hundred fifteen thousand, one hundred forty-three".