112645 has 8 divisors (see below), whose sum is σ = 145656. Its totient is φ = 83136.

The previous prime is 112643. The next prime is 112657. The reversal of 112645 is 546211.

It can be written as a sum of positive squares in 4 ways, for example, as 1089 + 111556 = 33^2 + 334^2 .

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 112645 - 2¹ = 112643 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (18207).

2¹¹²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

112645 is a deficient number, since it is larger than the sum of its proper divisors (33011).

112645 is a wasteful number, since it uses less digits than its factorization.

112645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its digits is 240, while the sum is 19.

The square root of 112645 is about 335.6262802583. The cubic root of 112645 is about 48.2952004684.

Adding to 112645 its reverse (546211), we get a palindrome (658856).

It can be divided in two parts, 112 and 645, that added together give a palindrome (757).

The spelling of 112645 in words is "one hundred twelve thousand, six hundred forty-five".