143202453545 has 4 divisors (see below), whose sum is σ = 171842944260. Its totient is φ = 114561962832.

The previous prime is 143202453521. The next prime is 143202453557. The reversal of 143202453545 is 545354202341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113674842649 + 29527610896 = 337157^2 + 171836^2 .

It is a cyclic number.

It is not a de Polignac number, because 143202453545 - 2³⁴ = 126022584361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143202453499 and 143202453508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14320245350 + ... + 14320245359.

It is an arithmetic number, because the mean of its divisors is an integer number (42960736065).

Almost surely, 2^143202453545 is an apocalyptic number.

It is an amenable number.

143202453545 is a deficient number, since it is larger than the sum of its proper divisors (28640490715).

143202453545 is an equidigital number, since it uses as much as digits as its factorization.

143202453545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28640490714.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 143202453545 its reverse (545354202341), we get a palindrome (688556655886).

The spelling of 143202453545 in words is "one hundred forty-three billion, two hundred two million, four hundred fifty-three thousand, five hundred forty-five".