142185803720840 has 128 divisors (see below), whose sum is σ = 349210214496000. Its totient is φ = 51673020825600.

The previous prime is 142185803720809. The next prime is 142185803720929. The reversal of 142185803720840 is 48027308581241.

142185803720840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5829425045 + ... + 5829449435.

It is an arithmetic number, because the mean of its divisors is an integer number (2728204800750).

Almost surely, 2^{142185803720840} is an apocalyptic number.

142185803720840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142185803720840 is an abundant number, since it is smaller than the sum of its proper divisors (207024410775160).

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

142185803720840 is a wasteful number, since it uses less digits than its factorization.

142185803720840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31791 (or 31787 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 142185803720840 in words is "one hundred forty-two trillion, one hundred eighty-five billion, eight hundred three million, seven hundred twenty thousand, eight hundred forty".