243102451530161 has 2 divisors, whose sum is σ = 243102451530162. Its totient is φ = 243102451530160.

The previous prime is 243102451530151. The next prime is 243102451530259. The reversal of 243102451530161 is 161035154201342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242514622640161 + 587828890000 = 15572881^2 + 766700^2 .

It is a cyclic number.

It is not a de Polignac number, because 243102451530161 - 2⁴² = 238704405019057 is a prime.

It is not a weakly prime, because it can be changed into another prime (243102451530151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121551225765080 + 121551225765081.

It is an arithmetic number, because the mean of its divisors is an integer number (121551225765081).

Almost surely, 2^{243102451530161} is an apocalyptic number.

It is an amenable number.

243102451530161 is a deficient number, since it is larger than the sum of its proper divisors (1).

243102451530161 is an equidigital number, since it uses as much as digits as its factorization.

243102451530161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 243102451530161 in words is "two hundred forty-three trillion, one hundred two billion, four hundred fifty-one million, five hundred thirty thousand, one hundred sixty-one".