142312128 has 112 divisors (see below), whose sum is σ = 453054720. Its totient is φ = 38513664.

The previous prime is 142312123. The next prime is 142312129. The reversal of 142312128 is 821213241.

142312128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142312098 and 142312107.

It is not an unprimeable number, because it can be changed into a prime (142312123) 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 15 ways as a sum of consecutive naturals, for example, 22750 + ... + 28322.

Almost surely, 2^142312128 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 142312128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226527360).

142312128 is an abundant number, since it is smaller than the sum of its proper divisors (310742592).

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

142312128 is a wasteful number, since it uses less digits than its factorization.

142312128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614 (or 5604 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 142312128 is about 11929.4646988035. The cubic root of 142312128 is about 522.0923193685.

Adding to 142312128 its reverse (821213241), we get a palindrome (963525369).

The spelling of 142312128 in words is "one hundred forty-two million, three hundred twelve thousand, one hundred twenty-eight".