142140243020 has 12 divisors (see below), whose sum is σ = 298494510384. Its totient is φ = 56856097200.

The previous prime is 142140243019. The next prime is 142140243023. The reversal of 142140243020 is 20342041241.

It is not an unprimeable number, because it can be changed into a prime (142140243023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553506056 + ... + 3553506095.

It is an arithmetic number, because the mean of its divisors is an integer number (24874542532).

Almost surely, 2^142140243020 is an apocalyptic number.

142140243020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142140243020 is an abundant number, since it is smaller than the sum of its proper divisors (156354267364).

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

142140243020 is a wasteful number, since it uses less digits than its factorization.

142140243020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107012160 (or 7107012158 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 142140243020 its reverse (20342041241), we get a palindrome (162482284261).

The spelling of 142140243020 in words is "one hundred forty-two billion, one hundred forty million, two hundred forty-three thousand, twenty".