142888730000 has 50 divisors (see below), whose sum is σ = 345947928414. Its totient is φ = 57155488000.

The previous prime is 142888729993. The next prime is 142888730009. The reversal of 142888730000 is 37888241.

It can be written as a sum of positive squares in 5 ways, for example, as 63366985984 + 79521744016 = 251728^2 + 281996^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×142888730000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142888730000.

It is not an unprimeable number, because it can be changed into a prime (142888730009) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 7134437 + ... + 7154436.

Almost surely, 2^142888730000 is an apocalyptic number.

142888730000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142888730000 is an abundant number, since it is smaller than the sum of its proper divisors (203059198414).

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

142888730000 is an equidigital number, since it uses as much as digits as its factorization.

142888730000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288901 (or 14288880 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 142888730000 in words is "one hundred forty-two billion, eight hundred eighty-eight million, seven hundred thirty thousand".