112840345 has 8 divisors (see below), whose sum is σ = 136111176. Its totient is φ = 89803776.

The previous prime is 112840309. The next prime is 112840447. The reversal of 112840345 is 543048211.

It can be written as a sum of positive squares in 4 ways, for example, as 17816841 + 95023504 = 4221^2 + 9748^2 .

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 112840345 - 2⁹ = 112839833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57502 + ... + 59431.

It is an arithmetic number, because the mean of its divisors is an integer number (17013897).

Almost surely, 2^112840345 is an apocalyptic number.

It is an amenable number.

112840345 is a deficient number, since it is larger than the sum of its proper divisors (23270831).

112840345 is a wasteful number, since it uses less digits than its factorization.

112840345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117131.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 112840345 is about 10622.6336188348. The cubic root of 112840345 is about 483.2310162598.

Adding to 112840345 its reverse (543048211), we get a palindrome (655888556).

The spelling of 112840345 in words is "one hundred twelve million, eight hundred forty thousand, three hundred forty-five".