142043112 has 32 divisors (see below), whose sum is σ = 394564800. Its totient is φ = 47347632.

The previous prime is 142043089. The next prime is 142043113. The reversal of 142043112 is 211340241.

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

It is not an unprimeable number, because it can be changed into a prime (142043113) 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, 328588 + ... + 329019.

It is an arithmetic number, because the mean of its divisors is an integer number (12330150).

Almost surely, 2^142043112 is an apocalyptic number.

142043112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142043112 is an abundant number, since it is smaller than the sum of its proper divisors (252521688).

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

142043112 is a wasteful number, since it uses less digits than its factorization.

142043112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657622 (or 657612 counting only the distinct ones).

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

The square root of 142043112 is about 11918.1840898687. The cubic root of 142043112 is about 521.7631373519.

Adding to 142043112 its reverse (211340241), we get a palindrome (353383353).

The spelling of 142043112 in words is "one hundred forty-two million, forty-three thousand, one hundred twelve".