112449 has 4 divisors (see below), whose sum is σ = 149936.
Its totient is φ = 74964.
The previous prime is 112429. The next prime is 112459. The reversal of 112449 is 944211.
It can be divided in two parts, 112 and 449, that added together give a triangular number (561 = T33).
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.
It is a de Polignac number, because none of the positive numbers 2k-112449 is a prime.
It is a D-number.
It is a Duffinian number.
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (112429) 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, 18739 + ... + 18744.
It is an arithmetic number, because the mean of its divisors is an integer number (37484).
2112449 is an apocalyptic number.
It is an amenable number.
112449 is a deficient number, since it is larger than the sum of its proper divisors (37487).
112449 is an equidigital number, since it uses as much as digits as its factorization.
112449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37486.
The product of its digits is 288, while the sum is 21.
The square root of 112449 is about 335.3341616955.
The cubic root of 112449 is about 48.2671733190.
The spelling of 112449 in words is "one hundred twelve thousand, four hundred forty-nine".