142501671242 has 16 divisors (see below), whose sum is σ = 245261846592. Its totient is φ = 60828828000.

The previous prime is 142501671223. The next prime is 142501671271. The reversal of 142501671242 is 242176105241.

It is an unprimeable number.

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, 20272763 + ... + 20279790.

It is an arithmetic number, because the mean of its divisors is an integer number (15328865412).

Almost surely, 2^142501671242 is an apocalyptic number.

142501671242 is a deficient number, since it is larger than the sum of its proper divisors (102760175350).

142501671242 is a wasteful number, since it uses less digits than its factorization.

142501671242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40552813.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 142501671242 its reverse (242176105241), we get a palindrome (384677776483).

The spelling of 142501671242 in words is "one hundred forty-two billion, five hundred one million, six hundred seventy-one thousand, two hundred forty-two".