111144834 has 12 divisors (see below), whose sum is σ = 240813846. Its totient is φ = 37048272.

The previous prime is 111144833. The next prime is 111144857. The reversal of 111144834 is 438441111.

It can be written as a sum of positive squares in only one way, i.e., 73359225 + 37785609 = 8565^2 + 6147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111144798 and 111144807.

It is not an unprimeable number, because it can be changed into a prime (111144833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3087339 + ... + 3087374.

Almost surely, 2^111144834 is an apocalyptic number.

111144834 is an abundant number, since it is smaller than the sum of its proper divisors (129669012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111144834 is a wasteful number, since it uses less digits than its factorization.

111144834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174721 (or 6174718 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 111144834 is about 10542.5250296122. The cubic root of 111144834 is about 480.7984886715.

Adding to 111144834 its reverse (438441111), we get a palindrome (549585945).

The spelling of 111144834 in words is "one hundred eleven million, one hundred forty-four thousand, eight hundred thirty-four".