142104440231020 has 24 divisors (see below), whose sum is σ = 298453002695568. Its totient is φ = 56835361195200.

The previous prime is 142104440231003. The next prime is 142104440231021. The reversal of 142104440231020 is 20132044401241.

It is a self number, because there is not a number n which added to its sum of digits gives 142104440231020.

It is not an unprimeable number, because it can be changed into a prime (142104440231021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400749426 + ... + 401103865.

It is an arithmetic number, because the mean of its divisors is an integer number (12435541778982).

Almost surely, 2^{142104440231020} is an apocalyptic number.

142104440231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142104440231020 is an abundant number, since it is smaller than the sum of its proper divisors (156348562464548).

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

142104440231020 is a wasteful number, since it uses less digits than its factorization.

142104440231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801862161 (or 801862159 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142104440231020 its reverse (20132044401241), we get a palindrome (162236484632261).

The spelling of 142104440231020 in words is "one hundred forty-two trillion, one hundred four billion, four hundred forty million, two hundred thirty-one thousand, twenty".