142002110442 has 32 divisors (see below), whose sum is σ = 294154750080. Its totient is φ = 45646251840.

The previous prime is 142002110441. The next prime is 142002110447. The reversal of 142002110442 is 244011200241.

It is not an unprimeable number, because it can be changed into a prime (142002110441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352609 + ... + 639012.

It is an arithmetic number, because the mean of its divisors is an integer number (9192335940).

Almost surely, 2^142002110442 is an apocalyptic number.

142002110442 is an abundant number, since it is smaller than the sum of its proper divisors (152152639638).

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

142002110442 is a wasteful number, since it uses less digits than its factorization.

142002110442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992478.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 142002110442 its reverse (244011200241), we get a palindrome (386013310683).

The spelling of 142002110442 in words is "one hundred forty-two billion, two million, one hundred ten thousand, four hundred forty-two".