111145414 has 4 divisors (see below), whose sum is σ = 166718124. Its totient is φ = 55572706.

The previous prime is 111145381. The next prime is 111145457. The reversal of 111145414 is 414541111.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27786352 + ... + 27786355.

It is an arithmetic number, because the mean of its divisors is an integer number (41679531).

Almost surely, 2^111145414 is an apocalyptic number.

111145414 is a deficient number, since it is larger than the sum of its proper divisors (55572710).

111145414 is an equidigital number, since it uses as much as digits as its factorization.

111145414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572709.

The product of its digits is 320, while the sum is 22.

The square root of 111145414 is about 10542.5525372179. The cubic root of 111145414 is about 480.7993250055.

Adding to 111145414 its reverse (414541111), we get a palindrome (525686525).

The spelling of 111145414 in words is "one hundred eleven million, one hundred forty-five thousand, four hundred fourteen".