112133142 has 48 divisors (see below), whose sum is σ = 276576768. Its totient is φ = 32501040.

The previous prime is 112133141. The next prime is 112133149. The reversal of 112133142 is 241331211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112133141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7758 + ... + 16865.

It is an arithmetic number, because the mean of its divisors is an integer number (5762016).

Almost surely, 2^112133142 is an apocalyptic number.

112133142 is an abundant number, since it is smaller than the sum of its proper divisors (164443626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112133142 is a wasteful number, since it uses less digits than its factorization.

112133142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24665 (or 24662 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 112133142 is about 10589.2937441550. The cubic root of 112133142 is about 482.2193838411.

Adding to 112133142 its reverse (241331211), we get a palindrome (353464353).

The spelling of 112133142 in words is "one hundred twelve million, one hundred thirty-three thousand, one hundred forty-two".