142432121042 has 8 divisors (see below), whose sum is σ = 213754111356. Its totient is φ = 71180750592.

The previous prime is 142432121017. The next prime is 142432121057. The reversal of 142432121042 is 240121234241.

It can be written as a sum of positive squares in 2 ways, for example, as 120269546401 + 22162574641 = 346799^2 + 148871^2 .

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

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, 17649923 + ... + 17657990.

Almost surely, 2^142432121042 is an apocalyptic number.

142432121042 is a deficient number, since it is larger than the sum of its proper divisors (71321990314).

142432121042 is a wasteful number, since it uses less digits than its factorization.

142432121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35309932.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142432121042 its reverse (240121234241), we get a palindrome (382553355283).

The spelling of 142432121042 in words is "one hundred forty-two billion, four hundred thirty-two million, one hundred twenty-one thousand, forty-two".