142021535624 has 32 divisors (see below), whose sum is σ = 270236817120. Its totient is φ = 69960537216.

The previous prime is 142021535581. The next prime is 142021535641. The reversal of 142021535624 is 426535120241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395627 + ... + 663749.

It is an arithmetic number, because the mean of its divisors is an integer number (8444900535).

Almost surely, 2^142021535624 is an apocalyptic number.

It is an amenable number.

142021535624 is a deficient number, since it is larger than the sum of its proper divisors (128215281496).

142021535624 is a wasteful number, since it uses less digits than its factorization.

142021535624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269109 (or 269105 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 142021535624 its reverse (426535120241), we get a palindrome (568556655865).

The spelling of 142021535624 in words is "one hundred forty-two billion, twenty-one million, five hundred thirty-five thousand, six hundred twenty-four".