142100520500 has 96 divisors (see below), whose sum is σ = 326814808320. Its totient is φ = 53869622400.

The previous prime is 142100520493. The next prime is 142100520559. The reversal of 142100520500 is 5025001241.

142100520500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196819 + ... + 1310181.

It is an arithmetic number, because the mean of its divisors is an integer number (3404320920).

Almost surely, 2^142100520500 is an apocalyptic number.

142100520500 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 142100520500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163407404160).

142100520500 is an abundant number, since it is smaller than the sum of its proper divisors (184714287820).

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

142100520500 is a wasteful number, since it uses less digits than its factorization.

142100520500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113514 (or 113502 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 142100520500 its reverse (5025001241), we get a palindrome (147125521741).

The spelling of 142100520500 in words is "one hundred forty-two billion, one hundred million, five hundred twenty thousand, five hundred".