111145214 has 8 divisors (see below), whose sum is σ = 166949328. Its totient is φ = 55495440.

The previous prime is 111145213. The next prime is 111145253. The reversal of 111145214 is 412541111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111145213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36767 + ... + 39674.

It is an arithmetic number, because the mean of its divisors is an integer number (20868666).

Almost surely, 2^111145214 is an apocalyptic number.

111145214 is a deficient number, since it is larger than the sum of its proper divisors (55804114).

111145214 is an equidigital number, since it uses as much as digits as its factorization.

111145214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77170.

The product of its digits is 160, while the sum is 20.

The square root of 111145214 is about 10542.5430518447. The cubic root of 111145214 is about 480.7990366148.

Adding to 111145214 its reverse (412541111), we get a palindrome (523686325).

The spelling of 111145214 in words is "one hundred eleven million, one hundred forty-five thousand, two hundred fourteen".