143640440154241 has 2 divisors, whose sum is σ = 143640440154242. Its totient is φ = 143640440154240.

The previous prime is 143640440154229. The next prime is 143640440154271. The reversal of 143640440154241 is 142451044046341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122888953209841 + 20751486944400 = 11085529^2 + 4555380^2 .

It is a cyclic number.

It is not a de Polignac number, because 143640440154241 - 2¹⁷ = 143640440023169 is a prime.

It is not a weakly prime, because it can be changed into another prime (143640440154221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71820220077120 + 71820220077121.

It is an arithmetic number, because the mean of its divisors is an integer number (71820220077121).

Almost surely, 2^{143640440154241} is an apocalyptic number.

It is an amenable number.

143640440154241 is a deficient number, since it is larger than the sum of its proper divisors (1).

143640440154241 is an equidigital number, since it uses as much as digits as its factorization.

143640440154241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 143640440154241 in words is "one hundred forty-three trillion, six hundred forty billion, four hundred forty million, one hundred fifty-four thousand, two hundred forty-one".