42143112 has 64 divisors (see below), whose sum is σ = 127713600. Its totient is φ = 12769920.

The previous prime is 42143089. The next prime is 42143141. The reversal of 42143112 is 21134124.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6493 + ... + 11244.

It is an arithmetic number, because the mean of its divisors is an integer number (1995525).

Almost surely, 2^42143112 is an apocalyptic number.

It is an amenable number.

42143112 is an abundant number, since it is smaller than the sum of its proper divisors (85570488).

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

42143112 is a wasteful number, since it uses less digits than its factorization.

42143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763 (or 17753 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 42143112 is about 6491.7726392720. The cubic root of 42143112 is about 347.9970273230.

Adding to 42143112 its reverse (21134124), we get a palindrome (63277236).

The spelling of 42143112 in words is "forty-two million, one hundred forty-three thousand, one hundred twelve".