112158281 has 4 divisors (see below), whose sum is σ = 117034752. Its totient is φ = 107281812.

The previous prime is 112158259. The next prime is 112158317. The reversal of 112158281 is 182851211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182851211 = 5657 ⋅32323.

It is a cyclic number.

It is not a de Polignac number, because 112158281 - 2¹⁰ = 112157257 is a prime.

It is a super-2 number, since 2×112158281² = 25158959993749922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112158251) 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, 2438201 + ... + 2438246.

It is an arithmetic number, because the mean of its divisors is an integer number (29258688).

Almost surely, 2^112158281 is an apocalyptic number.

It is an amenable number.

112158281 is a deficient number, since it is larger than the sum of its proper divisors (4876471).

112158281 is an equidigital number, since it uses as much as digits as its factorization.

112158281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876470.

The product of its digits is 1280, while the sum is 29.

The square root of 112158281 is about 10590.4806784206. The cubic root of 112158281 is about 482.2554172180.

The spelling of 112158281 in words is "one hundred twelve million, one hundred fifty-eight thousand, two hundred eighty-one".