111836345 has 4 divisors (see below), whose sum is σ = 134203620. Its totient is φ = 89469072.

The previous prime is 111836339. The next prime is 111836357. The reversal of 111836345 is 543638111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71182969 + 40653376 = 8437^2 + 6376^2 .

It is a cyclic number.

It is not a de Polignac number, because 111836345 - 2¹⁸ = 111574201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11183630 + ... + 11183639.

It is an arithmetic number, because the mean of its divisors is an integer number (33550905).

Almost surely, 2^111836345 is an apocalyptic number.

It is an amenable number.

111836345 is a deficient number, since it is larger than the sum of its proper divisors (22367275).

111836345 is an equidigital number, since it uses as much as digits as its factorization.

111836345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22367274.

The product of its digits is 8640, while the sum is 32.

The square root of 111836345 is about 10575.2704457144. The cubic root of 111836345 is about 481.7935575353.

The spelling of 111836345 in words is "one hundred eleven million, eight hundred thirty-six thousand, three hundred forty-five".