45540571 has 2 divisors, whose sum is σ = 45540572. Its totient is φ = 45540570.

The previous prime is 45540563. The next prime is 45540589. The reversal of 45540571 is 17504554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45540571 - 2³ = 45540563 is a prime.

It is not a weakly prime, because it can be changed into another prime (45540071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770285 + 22770286.

It is an arithmetic number, because the mean of its divisors is an integer number (22770286).

Almost surely, 2^45540571 is an apocalyptic number.

45540571 is a deficient number, since it is larger than the sum of its proper divisors (1).

45540571 is an equidigital number, since it uses as much as digits as its factorization.

45540571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 45540571 is about 6748.3754341323. The cubic root of 45540571 is about 357.1079268923.

The spelling of 45540571 in words is "forty-five million, five hundred forty thousand, five hundred seventy-one".