112144013 has 4 divisors (see below), whose sum is σ = 112172220. Its totient is φ = 112115808.

The previous prime is 112143973. The next prime is 112144027. The reversal of 112144013 is 310441211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310441211 = 37 ⋅8390303.

It can be written as a sum of positive squares in 2 ways, for example, as 24571849 + 87572164 = 4957^2 + 9358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112144013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112143982 and 112144000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112144033) 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, 6920 + ... + 16497.

It is an arithmetic number, because the mean of its divisors is an integer number (28043055).

Almost surely, 2^112144013 is an apocalyptic number.

It is an amenable number.

112144013 is a deficient number, since it is larger than the sum of its proper divisors (28207).

112144013 is an equidigital number, since it uses as much as digits as its factorization.

112144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28206.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 112144013 is about 10589.8070331805. The cubic root of 112144013 is about 482.2349666190.

Adding to 112144013 its reverse (310441211), we get a palindrome (422585224).

The spelling of 112144013 in words is "one hundred twelve million, one hundred forty-four thousand, thirteen".