142520112 has 120 divisors (see below), whose sum is σ = 482710176. Its totient is φ = 38320128.

The previous prime is 142520089. The next prime is 142520117. The reversal of 142520112 is 211025241.

142520112 is a `hidden beast` number, since 142 + 520 + 1 + 1 + 2 = 666.

142520112 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 (142520117) 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, 12978 + ... + 21294.

Almost surely, 2^142520112 is an apocalyptic number.

142520112 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 142520112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241355088).

142520112 is an abundant number, since it is smaller than the sum of its proper divisors (340190064).

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

142520112 is a wasteful number, since it uses less digits than its factorization.

142520112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355 (or 8346 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 142520112 is about 11938.1787555724. The cubic root of 142520112 is about 522.3465352127.

Adding to 142520112 its reverse (211025241), we get a palindrome (353545353).

The spelling of 142520112 in words is "one hundred forty-two million, five hundred twenty thousand, one hundred twelve".