112845391 has 2 divisors, whose sum is σ = 112845392. Its totient is φ = 112845390.

The previous prime is 112845379. The next prime is 112845433. The reversal of 112845391 is 193548211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112845391 is a prime.

It is a super-3 number, since 3×112845391³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112842391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56422695 + 56422696.

It is an arithmetic number, because the mean of its divisors is an integer number (56422696).

Almost surely, 2^112845391 is an apocalyptic number.

112845391 is a deficient number, since it is larger than the sum of its proper divisors (1).

112845391 is an equidigital number, since it uses as much as digits as its factorization.

112845391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 112845391 is about 10622.8711279013. The cubic root of 112845391 is about 483.2382192017.

The spelling of 112845391 in words is "one hundred twelve million, eight hundred forty-five thousand, three hundred ninety-one".