143280870461 has 2 divisors, whose sum is σ = 143280870462. Its totient is φ = 143280870460.

The previous prime is 143280870437. The next prime is 143280870479. The reversal of 143280870461 is 164078082341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98976935236 + 44303935225 = 314606^2 + 210485^2 .

It is a cyclic number.

It is not a de Polignac number, because 143280870461 - 2²⁶ = 143213761597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143280870361) 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 as a sum of consecutive naturals, namely, 71640435230 + 71640435231.

It is an arithmetic number, because the mean of its divisors is an integer number (71640435231).

Almost surely, 2^143280870461 is an apocalyptic number.

It is an amenable number.

143280870461 is a deficient number, since it is larger than the sum of its proper divisors (1).

143280870461 is an equidigital number, since it uses as much as digits as its factorization.

143280870461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 143280870461 in words is "one hundred forty-three billion, two hundred eighty million, eight hundred seventy thousand, four hundred sixty-one".