142855555238 has 32 divisors (see below), whose sum is σ = 236176738848. Its totient is φ = 64264576000.

The previous prime is 142855555207. The next prime is 142855555247. The reversal of 142855555238 is 832555558241.

It is a self number, because there is not a number n which added to its sum of digits gives 142855555238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5891756 + ... + 5915952.

It is an arithmetic number, because the mean of its divisors is an integer number (7380523089).

Almost surely, 2^142855555238 is an apocalyptic number.

142855555238 is a deficient number, since it is larger than the sum of its proper divisors (93321183610).

142855555238 is a wasteful number, since it uses less digits than its factorization.

142855555238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26968.

The product of its digits is 9600000, while the sum is 53.

The spelling of 142855555238 in words is "one hundred forty-two billion, eight hundred fifty-five million, five hundred fifty-five thousand, two hundred thirty-eight".