142544540000 has 120 divisors (see below), whose sum is σ = 351675490320. Its totient is φ = 56856128000.

The previous prime is 142544539961. The next prime is 142544540003. The reversal of 142544540000 is 45445241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142544540003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7170074 + ... + 7189926.

It is an arithmetic number, because the mean of its divisors is an integer number (2930629086).

Almost surely, 2^142544540000 is an apocalyptic number.

142544540000 is a gapful number since it is divisible by the number (10) 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 142544540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175837745160).

142544540000 is an abundant number, since it is smaller than the sum of its proper divisors (209130950320).

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

142544540000 is an equidigital number, since it uses as much as digits as its factorization.

142544540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242 (or 20219 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 142544540000 its reverse (45445241), we get a palindrome (142589985241).

The spelling of 142544540000 in words is "one hundred forty-two billion, five hundred forty-four million, five hundred forty thousand".