142421232322 has 8 divisors (see below), whose sum is σ = 213633451836. Its totient is φ = 71210081712.

The previous prime is 142421232301. The next prime is 142421232337. The reversal of 142421232322 is 223232124241.

It can be written as a sum of positive squares in 2 ways, for example, as 138643777801 + 3777454521 = 372349^2 + 61461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142421232322² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365608 + ... + 646924.

Almost surely, 2^142421232322 is an apocalyptic number.

142421232322 is a deficient number, since it is larger than the sum of its proper divisors (71212219514).

142421232322 is a wasteful number, since it uses less digits than its factorization.

142421232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534452.

The product of its digits is 9216, while the sum is 28.

Adding to 142421232322 its reverse (223232124241), we get a palindrome (365653356563).

The spelling of 142421232322 in words is "one hundred forty-two billion, four hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-two".