143555242242 has 16 divisors (see below), whose sum is σ = 287116064352. Its totient is φ = 47850817440.

The previous prime is 143555242219. The next prime is 143555242307. The reversal of 143555242242 is 242242555341.

It is a self number, because there is not a number n which added to its sum of digits gives 143555242242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150493 + ... + 556559.

It is an arithmetic number, because the mean of its divisors is an integer number (17944754022).

Almost surely, 2^143555242242 is an apocalyptic number.

143555242242 is an abundant number, since it is smaller than the sum of its proper divisors (143560822110).

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

143555242242 is a wasteful number, since it uses less digits than its factorization.

143555242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464993.

The product of its digits is 384000, while the sum is 39.

Adding to 143555242242 its reverse (242242555341), we get a palindrome (385797797583).

The spelling of 143555242242 in words is "one hundred forty-three billion, five hundred fifty-five million, two hundred forty-two thousand, two hundred forty-two".