143144231242 has 16 divisors (see below), whose sum is σ = 215638803072. Its totient is φ = 71264808000.

The previous prime is 143144231239. The next prime is 143144231287. The reversal of 143144231242 is 242132441341.

It is a happy number.

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, 1635538 + ... + 1720834.

It is an arithmetic number, because the mean of its divisors is an integer number (13477425192).

Almost surely, 2^143144231242 is an apocalyptic number.

143144231242 is a deficient number, since it is larger than the sum of its proper divisors (72494571830).

143144231242 is a wasteful number, since it uses less digits than its factorization.

143144231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88893.

The product of its digits is 18432, while the sum is 31.

Adding to 143144231242 its reverse (242132441341), we get a palindrome (385276672583).

The spelling of 143144231242 in words is "one hundred forty-three billion, one hundred forty-four million, two hundred thirty-one thousand, two hundred forty-two".