142505221332 has 24 divisors (see below), whose sum is σ = 332719918272. Its totient is φ = 47472064000.

The previous prime is 142505221307. The next prime is 142505221337. The reversal of 142505221332 is 233122505241.

142505221332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×142505221332³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142505221332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142505221337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3689544 + ... + 3727967.

It is an arithmetic number, because the mean of its divisors is an integer number (13863329928).

Almost surely, 2^142505221332 is an apocalyptic number.

142505221332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142505221332 is an abundant number, since it is smaller than the sum of its proper divisors (190214696940).

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

142505221332 is a wasteful number, since it uses less digits than its factorization.

142505221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7419119 (or 7419117 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 142505221332 its reverse (233122505241), we get a palindrome (375627726573).

The spelling of 142505221332 in words is "one hundred forty-two billion, five hundred five million, two hundred twenty-one thousand, three hundred thirty-two".