111472142 has 8 divisors (see below), whose sum is σ = 167295456. Its totient is φ = 55706992.

The previous prime is 111472139. The next prime is 111472147. The reversal of 111472142 is 241274111.

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 (111472147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9383 + ... + 17634.

It is an arithmetic number, because the mean of its divisors is an integer number (20911932).

Almost surely, 2^111472142 is an apocalyptic number.

111472142 is a deficient number, since it is larger than the sum of its proper divisors (55823314).

111472142 is a wasteful number, since it uses less digits than its factorization.

111472142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29082.

The product of its digits is 448, while the sum is 23.

The square root of 111472142 is about 10558.0368440350. The cubic root of 111472142 is about 481.2699904666.

The spelling of 111472142 in words is "one hundred eleven million, four hundred seventy-two thousand, one hundred forty-two".