142112928 has 144 divisors (see below), whose sum is σ = 415570176. Its totient is φ = 42332160.

The previous prime is 142112917. The next prime is 142112939. The reversal of 142112928 is 829211241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142112917) and next prime (142112939).

It is a junction number, because it is equal to n+sod(n) for n = 142112895 and 142112904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2681350 + ... + 2681402.

It is an arithmetic number, because the mean of its divisors is an integer number (2885904).

Almost surely, 2^142112928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142112928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207785088).

142112928 is an abundant number, since it is smaller than the sum of its proper divisors (273457248).

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

142112928 is a wasteful number, since it uses less digits than its factorization.

142112928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 106 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 142112928 is about 11921.1126997441. The cubic root of 142112928 is about 521.8486077609.

The spelling of 142112928 in words is "one hundred forty-two million, one hundred twelve thousand, nine hundred twenty-eight".