111544214 has 4 divisors (see below), whose sum is σ = 167316324. Its totient is φ = 55772106.

The previous prime is 111544201. The next prime is 111544217. The reversal of 111544214 is 412445111.

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

It is a super-2 number, since 2×111544214² = 24884223353755592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111544214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111544217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27886052 + ... + 27886055.

It is an arithmetic number, because the mean of its divisors is an integer number (41829081).

Almost surely, 2^111544214 is an apocalyptic number.

111544214 is a deficient number, since it is larger than the sum of its proper divisors (55772110).

111544214 is an equidigital number, since it uses as much as digits as its factorization.

111544214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55772109.

The product of its digits is 640, while the sum is 23.

The square root of 111544214 is about 10561.4494270436. The cubic root of 111544214 is about 481.3736893742.

Adding to 111544214 its reverse (412445111), we get a palindrome (523989325).

The spelling of 111544214 in words is "one hundred eleven million, five hundred forty-four thousand, two hundred fourteen".