145240341361 has 2 divisors, whose sum is σ = 145240341362. Its totient is φ = 145240341360.

The previous prime is 145240341293. The next prime is 145240341403. The reversal of 145240341361 is 163143042541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121197978225 + 24042363136 = 348135^2 + 155056^2 .

It is an emirp because it is prime and its reverse (163143042541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145240341361 - 2⁹ = 145240340849 is a prime.

It is not a weakly prime, because it can be changed into another prime (145240341161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72620170680 + 72620170681.

It is an arithmetic number, because the mean of its divisors is an integer number (72620170681).

Almost surely, 2^145240341361 is an apocalyptic number.

It is an amenable number.

145240341361 is a deficient number, since it is larger than the sum of its proper divisors (1).

145240341361 is an equidigital number, since it uses as much as digits as its factorization.

145240341361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 145240341361 in words is "one hundred forty-five billion, two hundred forty million, three hundred forty-one thousand, three hundred sixty-one".