142261636050 has 144 divisors (see below), whose sum is σ = 386742512520. Its totient is φ = 37488000000.

The previous prime is 142261636031. The next prime is 142261636079. The reversal of 142261636050 is 50636162241.

142261636050 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 616 + 36 + 0 + 5 + 0 = 666.

142261636050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 56998220049 + 85263416001 = 238743^2 + 291999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142261635996 and 142261636014.

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 71 ways as a sum of consecutive naturals, for example, 25858300 + ... + 25863800.

Almost surely, 2^142261636050 is an apocalyptic number.

142261636050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142261636050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193371256260).

142261636050 is an abundant number, since it is smaller than the sum of its proper divisors (244480876470).

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

142261636050 is a wasteful number, since it uses less digits than its factorization.

142261636050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189 (or 6181 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 142261636050 its reverse (50636162241), we get a palindrome (192897798291).

Subtracting from 142261636050 its reverse (50636162241), we obtain a square (91625473809 = 302697²).

The spelling of 142261636050 in words is "one hundred forty-two billion, two hundred sixty-one million, six hundred thirty-six thousand, fifty".