142423141242 has 16 divisors (see below), whose sum is σ = 289097720352. Its totient is φ = 46765807440.

The previous prime is 142423141199. The next prime is 142423141243. The reversal of 142423141242 is 242141324241.

It is a super-2 number, since 2×142423141242² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142423141243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 177142809 + ... + 177143612.

It is an arithmetic number, because the mean of its divisors is an integer number (18068607522).

Almost surely, 2^142423141242 is an apocalyptic number.

142423141242 is an abundant number, since it is smaller than the sum of its proper divisors (146674579110).

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

142423141242 is a wasteful number, since it uses less digits than its factorization.

142423141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354286493.

The product of its digits is 12288, while the sum is 30.

Adding to 142423141242 its reverse (242141324241), we get a palindrome (384564465483).

The spelling of 142423141242 in words is "one hundred forty-two billion, four hundred twenty-three million, one hundred forty-one thousand, two hundred forty-two".