45526181 has 2 divisors, whose sum is σ = 45526182. Its totient is φ = 45526180.

The previous prime is 45526157. The next prime is 45526183. The reversal of 45526181 is 18162554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 6713281 = 6230^2 + 2591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45526181 is a prime.

It is a super-2 number, since 2×45526181² = 4145266312889522, which contains 22 as substring.

Together with 45526183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45526183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22763090 + 22763091.

It is an arithmetic number, because the mean of its divisors is an integer number (22763091).

Almost surely, 2^45526181 is an apocalyptic number.

It is an amenable number.

45526181 is a deficient number, since it is larger than the sum of its proper divisors (1).

45526181 is an equidigital number, since it uses as much as digits as its factorization.

45526181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 45526181 is about 6747.3091673644. The cubic root of 45526181 is about 357.0703097061.

The spelling of 45526181 in words is "forty-five million, five hundred twenty-six thousand, one hundred eighty-one".