143432415561 has 4 divisors (see below), whose sum is σ = 191243220752. Its totient is φ = 95621610372.

The previous prime is 143432415551. The next prime is 143432415587. The reversal of 143432415561 is 165514234341.

143432415561 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 143432415561 - 2⁷ = 143432415433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143432415541) 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, 23905402591 + ... + 23905402596.

It is an arithmetic number, because the mean of its divisors is an integer number (47810805188).

Almost surely, 2^143432415561 is an apocalyptic number.

It is an amenable number.

143432415561 is a deficient number, since it is larger than the sum of its proper divisors (47810805191).

143432415561 is an equidigital number, since it uses as much as digits as its factorization.

143432415561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47810805190.

The product of its digits is 172800, while the sum is 39.

The spelling of 143432415561 in words is "one hundred forty-three billion, four hundred thirty-two million, four hundred fifteen thousand, five hundred sixty-one".