143332431442 has 8 divisors (see below), whose sum is σ = 220242516732. Its totient is φ = 69918259200.

The previous prime is 143332431433. The next prime is 143332431457. The reversal of 143332431442 is 244134233341.

143332431442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 143172181161 + 160250281 = 378381^2 + 12659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 143332431398 and 143332431407.

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 3 ways as a sum of consecutive naturals, for example, 873978159 + ... + 873978322.

Almost surely, 2^143332431442 is an apocalyptic number.

143332431442 is a deficient number, since it is larger than the sum of its proper divisors (76910085290).

143332431442 is a wasteful number, since it uses less digits than its factorization.

143332431442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747956524.

The product of its digits is 82944, while the sum is 34.

Adding to 143332431442 its reverse (244134233341), we get a palindrome (387466664783).

The spelling of 143332431442 in words is "one hundred forty-three billion, three hundred thirty-two million, four hundred thirty-one thousand, four hundred forty-two".