142242213524 has 12 divisors (see below), whose sum is σ = 251207579700. Its totient is φ = 70468619328.

The previous prime is 142242213517. The next prime is 142242213539. The reversal of 142242213524 is 425312242241.

142242213524 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 2 ways, for example, as 101845233424 + 40396980100 = 319132^2 + 200990^2 .

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 3 ways as a sum of consecutive naturals, for example, 163121369 + ... + 163122240.

It is an arithmetic number, because the mean of its divisors is an integer number (20933964975).

Almost surely, 2^142242213524 is an apocalyptic number.

It is an amenable number.

142242213524 is a deficient number, since it is larger than the sum of its proper divisors (108965366176).

142242213524 is a wasteful number, since it uses less digits than its factorization.

142242213524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326243722 (or 326243720 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

Adding to 142242213524 its reverse (425312242241), we get a palindrome (567554455765).

The spelling of 142242213524 in words is "one hundred forty-two billion, two hundred forty-two million, two hundred thirteen thousand, five hundred twenty-four".