143203644042 has 32 divisors (see below), whose sum is σ = 295090249920. Its totient is φ = 46308827520.

The previous prime is 143203644041. The next prime is 143203644071. The reversal of 143203644042 is 240446302341.

It is a junction number, because it is equal to n+sod(n) for n = 143203643994 and 143203644012.

It is not an unprimeable number, because it can be changed into a prime (143203644041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2653192 + ... + 2706627.

It is an arithmetic number, because the mean of its divisors is an integer number (9221570310).

Almost surely, 2^143203644042 is an apocalyptic number.

143203644042 is an abundant number, since it is smaller than the sum of its proper divisors (151886605878).

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

143203644042 is a wasteful number, since it uses less digits than its factorization.

143203644042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359958.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 143203644042 its reverse (240446302341), we get a palindrome (383649946383).

The spelling of 143203644042 in words is "one hundred forty-three billion, two hundred three million, six hundred forty-four thousand, forty-two".