143131546614461 has 2 divisors, whose sum is σ = 143131546614462. Its totient is φ = 143131546614460.

The previous prime is 143131546614437. The next prime is 143131546614467. The reversal of 143131546614461 is 164416645131341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116256591595225 + 26874955019236 = 10782235^2 + 5184106^2 .

It is a cyclic number.

It is not a de Polignac number, because 143131546614461 - 2¹⁴ = 143131546598077 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 (143131546614467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71565773307230 + 71565773307231.

It is an arithmetic number, because the mean of its divisors is an integer number (71565773307231).

Almost surely, 2^{143131546614461} is an apocalyptic number.

It is an amenable number.

143131546614461 is a deficient number, since it is larger than the sum of its proper divisors (1).

143131546614461 is an equidigital number, since it uses as much as digits as its factorization.

143131546614461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 50.

The spelling of 143131546614461 in words is "one hundred forty-three trillion, one hundred thirty-one billion, five hundred forty-six million, six hundred fourteen thousand, four hundred sixty-one".