45947151181 has 2 divisors, whose sum is σ = 45947151182. Its totient is φ = 45947151180.

The previous prime is 45947151163. The next prime is 45947151199. The reversal of 45947151181 is 18115174954.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (45947151163) and next prime (45947151199).

It can be written as a sum of positive squares in only one way, i.e., 44728443081 + 1218708100 = 211491^2 + 34910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45947151181 is a prime.

It is a super-2 number, since 2×45947151181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45947151101) 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, 22973575590 + 22973575591.

It is an arithmetic number, because the mean of its divisors is an integer number (22973575591).

Almost surely, 2^45947151181 is an apocalyptic number.

It is an amenable number.

45947151181 is a deficient number, since it is larger than the sum of its proper divisors (1).

45947151181 is an equidigital number, since it uses as much as digits as its factorization.

45947151181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 46.

The spelling of 45947151181 in words is "forty-five billion, nine hundred forty-seven million, one hundred fifty-one thousand, one hundred eighty-one".