45243726603181 has 2 divisors, whose sum is σ = 45243726603182. Its totient is φ = 45243726603180.

The previous prime is 45243726603167. The next prime is 45243726603203. The reversal of 45243726603181 is 18130662734254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36542436061156 + 8701290542025 = 6045034^2 + 2949795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45243726603181 is a prime.

It is a super-2 number, since 2×45243726603181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45243726603121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621863301590 + 22621863301591.

It is an arithmetic number, because the mean of its divisors is an integer number (22621863301591).

Almost surely, 2^{45243726603181} is an apocalyptic number.

It is an amenable number.

45243726603181 is a deficient number, since it is larger than the sum of its proper divisors (1).

45243726603181 is an equidigital number, since it uses as much as digits as its factorization.

45243726603181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 45243726603181 in words is "forty-five trillion, two hundred forty-three billion, seven hundred twenty-six million, six hundred three thousand, one hundred eighty-one".