143242421042 has 64 divisors (see below), whose sum is σ = 257626828800. Its totient is φ = 58454839296.

The previous prime is 143242421011. The next prime is 143242421053. The reversal of 143242421042 is 240124242341.

It is a happy number.

143242421042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143242420996 and 143242421014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7261709 + ... + 7281407.

It is an arithmetic number, because the mean of its divisors is an integer number (4025419200).

Almost surely, 2^143242421042 is an apocalyptic number.

143242421042 is a deficient number, since it is larger than the sum of its proper divisors (114384407758).

143242421042 is a wasteful number, since it uses less digits than its factorization.

143242421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 143242421042 its reverse (240124242341), we get a palindrome (383366663383).

The spelling of 143242421042 in words is "one hundred forty-three billion, two hundred forty-two million, four hundred twenty-one thousand, forty-two".