111894149 has 8 divisors (see below), whose sum is σ = 118739520. Its totient is φ = 105213856.

The previous prime is 111894143. The next prime is 111894157. The reversal of 111894149 is 941498111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111894149 - 2⁸ = 111893893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111894143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39872 + ... + 42585.

It is an arithmetic number, because the mean of its divisors is an integer number (14842440).

Almost surely, 2^111894149 is an apocalyptic number.

It is an amenable number.

111894149 is a deficient number, since it is larger than the sum of its proper divisors (6845371).

111894149 is an equidigital number, since it uses as much as digits as its factorization.

111894149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82539.

The product of its digits is 10368, while the sum is 38.

The square root of 111894149 is about 10578.0030724140. The cubic root of 111894149 is about 481.8765502274.

The spelling of 111894149 in words is "one hundred eleven million, eight hundred ninety-four thousand, one hundred forty-nine".