111448142 has 8 divisors (see below), whose sum is σ = 180031656. Its totient is φ = 51437592.

The previous prime is 111448123. The next prime is 111448187. The reversal of 111448142 is 241844111.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 4286467 = 111448142 / (1 + 1 + 1 + 4 + 4 + 8 + 1 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143208 + ... + 2143259.

It is an arithmetic number, because the mean of its divisors is an integer number (22503957).

Almost surely, 2^111448142 is an apocalyptic number.

111448142 is a deficient number, since it is larger than the sum of its proper divisors (68583514).

111448142 is a wasteful number, since it uses less digits than its factorization.

111448142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286482.

The product of its digits is 1024, while the sum is 26.

The square root of 111448142 is about 10556.9002079209. The cubic root of 111448142 is about 481.2354487757.

The spelling of 111448142 in words is "one hundred eleven million, four hundred forty-eight thousand, one hundred forty-two".