143432444431 has 4 divisors (see below), whose sum is σ = 143457831864. Its totient is φ = 143407057000.

The previous prime is 143432444429. The next prime is 143432444509. The reversal of 143432444431 is 134444234341.

It is a happy number.

143432444431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143432444431 - 2¹ = 143432444429 is a prime.

It is a super-2 number, since 2×143432444431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143432444531) by changing a digit.

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, 12685240 + ... + 12696541.

It is an arithmetic number, because the mean of its divisors is an integer number (35864457966).

Almost surely, 2^143432444431 is an apocalyptic number.

143432444431 is a deficient number, since it is larger than the sum of its proper divisors (25387433).

143432444431 is an equidigital number, since it uses as much as digits as its factorization.

143432444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25387432.

The product of its digits is 221184, while the sum is 37.

Adding to 143432444431 its reverse (134444234341), we get a palindrome (277876678772).

The spelling of 143432444431 in words is "one hundred forty-three billion, four hundred thirty-two million, four hundred forty-four thousand, four hundred thirty-one".