142192128 has 80 divisors (see below), whose sum is σ = 408005136. Its totient is φ = 43745280.

The previous prime is 142192117. The next prime is 142192129. The reversal of 142192128 is 821291241.

It is a happy number.

It is a super-3 number, since 3×142192128³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142192095 and 142192104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142192129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16408 + ... + 23528.

Almost surely, 2^142192128 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 142192128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204002568).

142192128 is an abundant number, since it is smaller than the sum of its proper divisors (265813008).

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

142192128 is an equidigital number, since it uses as much as digits as its factorization.

142192128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155 (or 7139 counting only the distinct ones).

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

The square root of 142192128 is about 11924.4340746217. The cubic root of 142192128 is about 521.9455324035.

The spelling of 142192128 in words is "one hundred forty-two million, one hundred ninety-two thousand, one hundred twenty-eight".