143130205 has 8 divisors (see below), whose sum is σ = 172306872. Its totient is φ = 114137088.

The previous prime is 143130161. The next prime is 143130209. The reversal of 143130205 is 502031341.

It can be written as a sum of positive squares in 4 ways, for example, as 5631129 + 137499076 = 2373^2 + 11726^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 143130205 - 2⁷ = 143130077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143130209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44164 + ... + 47293.

It is an arithmetic number, because the mean of its divisors is an integer number (21538359).

Almost surely, 2^143130205 is an apocalyptic number.

It is an amenable number.

143130205 is a deficient number, since it is larger than the sum of its proper divisors (29176667).

143130205 is an equidigital number, since it uses as much as digits as its factorization.

143130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91775.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 143130205 is about 11963.7036489542. The cubic root of 143130205 is about 523.0908192037.

Adding to 143130205 its reverse (502031341), we get a palindrome (645161546).

The spelling of 143130205 in words is "one hundred forty-three million, one hundred thirty thousand, two hundred five".