45242542330169 has 2 divisors, whose sum is σ = 45242542330170. Its totient is φ = 45242542330168.

The previous prime is 45242542330127. The next prime is 45242542330177. The reversal of 45242542330169 is 96103324524254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40850952675625 + 4391589654544 = 6391475^2 + 2095612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45242542330169 is a prime.

It is a super-2 number, since 2×45242542330169² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45242542330669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621271165084 + 22621271165085.

It is an arithmetic number, because the mean of its divisors is an integer number (22621271165085).

Almost surely, 2^{45242542330169} is an apocalyptic number.

It is an amenable number.

45242542330169 is a deficient number, since it is larger than the sum of its proper divisors (1).

45242542330169 is an equidigital number, since it uses as much as digits as its factorization.

45242542330169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 45242542330169 in words is "forty-five trillion, two hundred forty-two billion, five hundred forty-two million, three hundred thirty thousand, one hundred sixty-nine".