45527549 has 2 divisors, whose sum is σ = 45527550. Its totient is φ = 45527548.

The previous prime is 45527539. The next prime is 45527567. The reversal of 45527549 is 94572554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 4439449 = 6410^2 + 2107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45527549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45527519) 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, 22763774 + 22763775.

It is an arithmetic number, because the mean of its divisors is an integer number (22763775).

Almost surely, 2^45527549 is an apocalyptic number.

It is an amenable number.

45527549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45527549 is an equidigital number, since it uses as much as digits as its factorization.

45527549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The square root of 45527549 is about 6747.4105403481. The cubic root of 45527549 is about 357.0738861632.

The spelling of 45527549 in words is "forty-five million, five hundred twenty-seven thousand, five hundred forty-nine".