142241421532 has 24 divisors (see below), whose sum is σ = 285703812576. Its totient is φ = 60698972928.

The previous prime is 142241421499. The next prime is 142241421547. The reversal of 142241421532 is 235124142241.

It is a super-2 number, since 2×142241421532² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142241421494 and 142241421503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10894873 + ... + 10907920.

It is an arithmetic number, because the mean of its divisors is an integer number (11904325524).

Almost surely, 2^142241421532 is an apocalyptic number.

It is an amenable number.

142241421532 is an abundant number, since it is smaller than the sum of its proper divisors (143462391044).

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

142241421532 is a wasteful number, since it uses less digits than its factorization.

142241421532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21803037 (or 21803035 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

Adding to 142241421532 its reverse (235124142241), we get a palindrome (377365563773).

The spelling of 142241421532 in words is "one hundred forty-two billion, two hundred forty-one million, four hundred twenty-one thousand, five hundred thirty-two".