142252102728 has 96 divisors (see below), whose sum is σ = 392644324800. Its totient is φ = 46517894784.

The previous prime is 142252102703. The next prime is 142252102747. The reversal of 142252102728 is 827201252241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142252102692 and 142252102701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703878 + ... + 883146.

It is an arithmetic number, because the mean of its divisors is an integer number (4090045050).

Almost surely, 2^142252102728 is an apocalyptic number.

142252102728 is a gapful number since it is divisible by the number (18) 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 142252102728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196322162400).

142252102728 is an abundant number, since it is smaller than the sum of its proper divisors (250392222072).

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

142252102728 is a wasteful number, since it uses less digits than its factorization.

142252102728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179491 (or 179484 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

Adding to 142252102728 its reverse (827201252241), we get a palindrome (969453354969).

The spelling of 142252102728 in words is "one hundred forty-two billion, two hundred fifty-two million, one hundred two thousand, seven hundred twenty-eight".