112144999 has 4 divisors (see below), whose sum is σ = 112897800. Its totient is φ = 111392200.

The previous prime is 112144993. The next prime is 112145029. The reversal of 112144999 is 999441211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112144999 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112144993) 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, 376177 + ... + 376474.

It is an arithmetic number, because the mean of its divisors is an integer number (28224450).

Almost surely, 2^112144999 is an apocalyptic number.

112144999 is a deficient number, since it is larger than the sum of its proper divisors (752801).

112144999 is an equidigital number, since it uses as much as digits as its factorization.

112144999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752800.

The product of its digits is 23328, while the sum is 40.

The square root of 112144999 is about 10589.8535872787. The cubic root of 112144999 is about 482.2363799275.

The spelling of 112144999 in words is "one hundred twelve million, one hundred forty-four thousand, nine hundred ninety-nine".