143431334545 has 4 divisors (see below), whose sum is σ = 172117601460. Its totient is φ = 114745067632.

The previous prime is 143431334539. The next prime is 143431334551. The reversal of 143431334545 is 545433134341.

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

It is an interprime number because it is at equal distance from previous prime (143431334539) and next prime (143431334551).

It can be written as a sum of positive squares in 2 ways, for example, as 32846487696 + 110584846849 = 181236^2 + 332543^2 .

It is a cyclic number.

It is not a de Polignac number, because 143431334545 - 2¹¹ = 143431332497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143431334498 and 143431334507.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14343133450 + ... + 14343133459.

It is an arithmetic number, because the mean of its divisors is an integer number (43029400365).

Almost surely, 2^143431334545 is an apocalyptic number.

It is an amenable number.

143431334545 is a deficient number, since it is larger than the sum of its proper divisors (28686266915).

143431334545 is an equidigital number, since it uses as much as digits as its factorization.

143431334545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28686266914.

The product of its digits is 518400, while the sum is 40.

Adding to 143431334545 its reverse (545433134341), we get a palindrome (688864468886).

The spelling of 143431334545 in words is "one hundred forty-three billion, four hundred thirty-one million, three hundred thirty-four thousand, five hundred forty-five".