143643645323341 has 2 divisors, whose sum is σ = 143643645323342. Its totient is φ = 143643645323340.

The previous prime is 143643645323317. The next prime is 143643645323369. The reversal of 143643645323341 is 143323546346341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143523898181316 + 119747142025 = 11980146^2 + 346045^2 .

It is a cyclic number.

It is not a de Polignac number, because 143643645323341 - 2⁵ = 143643645323309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143643645323371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71821822661670 + 71821822661671.

It is an arithmetic number, because the mean of its divisors is an integer number (71821822661671).

Almost surely, 2^{143643645323341} is an apocalyptic number.

It is an amenable number.

143643645323341 is a deficient number, since it is larger than the sum of its proper divisors (1).

143643645323341 is an equidigital number, since it uses as much as digits as its factorization.

143643645323341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 52.

The spelling of 143643645323341 in words is "one hundred forty-three trillion, six hundred forty-three billion, six hundred forty-five million, three hundred twenty-three thousand, three hundred forty-one".