142068515442 has 48 divisors (see below), whose sum is σ = 330561550080. Its totient is φ = 40586730912.

The previous prime is 142068515423. The next prime is 142068515443. The reversal of 142068515442 is 244515860241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 142068515394 and 142068515403.

It is not an unprimeable number, because it can be changed into a prime (142068515443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3696159 + ... + 3734397.

It is an arithmetic number, because the mean of its divisors is an integer number (6886698960).

Almost surely, 2^142068515442 is an apocalyptic number.

142068515442 is an abundant number, since it is smaller than the sum of its proper divisors (188493034638).

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

142068515442 is a wasteful number, since it uses less digits than its factorization.

142068515442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50895 (or 50888 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 142068515442 in words is "one hundred forty-two billion, sixty-eight million, five hundred fifteen thousand, four hundred forty-two".