142142643132 has 144 divisors (see below), whose sum is σ = 394504846848. Its totient is φ = 39699663360.

The previous prime is 142142643131. The next prime is 142142643151. The reversal of 142142643132 is 231346241241.

It is a super-2 number, since 2×142142643132² (a number of 23 digits) contains 22 as substring.

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 = 142142643093 and 142142643102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142643131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26831908 + ... + 26837204.

It is an arithmetic number, because the mean of its divisors is an integer number (2739616992).

Almost surely, 2^142142643132 is an apocalyptic number.

142142643132 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 142142643132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197252423424).

142142643132 is an abundant number, since it is smaller than the sum of its proper divisors (252362203716).

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

142142643132 is a wasteful number, since it uses less digits than its factorization.

142142643132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336 (or 6327 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

Adding to 142142643132 its reverse (231346241241), we get a palindrome (373488884373).

The spelling of 142142643132 in words is "one hundred forty-two billion, one hundred forty-two million, six hundred forty-three thousand, one hundred thirty-two".