142605463242 has 64 divisors (see below), whose sum is σ = 313355132928. Its totient is φ = 42906864000.

The previous prime is 142605463199. The next prime is 142605463261. The reversal of 142605463242 is 242364506241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142605463242.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6885142 + ... + 6905822.

It is an arithmetic number, because the mean of its divisors is an integer number (4896173952).

Almost surely, 2^142605463242 is an apocalyptic number.

142605463242 is an abundant number, since it is smaller than the sum of its proper divisors (170749669686).

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

142605463242 is a wasteful number, since it uses less digits than its factorization.

142605463242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 142605463242 its reverse (242364506241), we get a palindrome (384969969483).

The spelling of 142605463242 in words is "one hundred forty-two billion, six hundred five million, four hundred sixty-three thousand, two hundred forty-two".