142424236204642 has 128 divisors (see below), whose sum is σ = 259634279006208. Its totient is φ = 57277984896000.

The previous prime is 142424236204639. The next prime is 142424236204651. The reversal of 142424236204642 is 246402632424241.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 142424236204592 and 142424236204601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24982322392 + ... + 24982328092.

It is an arithmetic number, because the mean of its divisors is an integer number (2028392804736).

Almost surely, 2^{142424236204642} is an apocalyptic number.

142424236204642 is a deficient number, since it is larger than the sum of its proper divisors (117210042801566).

142424236204642 is a wasteful number, since it uses less digits than its factorization.

142424236204642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344.

The product of its (nonzero) digits is 3538944, while the sum is 46.

Adding to 142424236204642 its reverse (246402632424241), we get a palindrome (388826868628883).

The spelling of 142424236204642 in words is "one hundred forty-two trillion, four hundred twenty-four billion, two hundred thirty-six million, two hundred four thousand, six hundred forty-two".