142340112 has 80 divisors (see below), whose sum is σ = 411223680. Its totient is φ = 47138688.

The previous prime is 142340089. The next prime is 142340113. The reversal of 142340112 is 211043241.

142340112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (142340113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71158 + ... + 73130.

It is an arithmetic number, because the mean of its divisors is an integer number (5140296).

Almost surely, 2^142340112 is an apocalyptic number.

142340112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205611840).

142340112 is an abundant number, since it is smaller than the sum of its proper divisors (268883568).

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

142340112 is a wasteful number, since it uses less digits than its factorization.

142340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2145 counting only the distinct ones).

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

The square root of 142340112 is about 11930.6375353541. The cubic root of 142340112 is about 522.1265382228.

Adding to 142340112 its reverse (211043241), we get a palindrome (353383353).

The spelling of 142340112 in words is "one hundred forty-two million, three hundred forty thousand, one hundred twelve".