45547657 has 2 divisors, whose sum is σ = 45547658. Its totient is φ = 45547656.

The previous prime is 45547651. The next prime is 45547681. The reversal of 45547657 is 75674554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36433296 + 9114361 = 6036^2 + 3019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45547657 is a prime.

It is not a weakly prime, because it can be changed into another prime (45547651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22773828 + 22773829.

It is an arithmetic number, because the mean of its divisors is an integer number (22773829).

Almost surely, 2^45547657 is an apocalyptic number.

It is an amenable number.

45547657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45547657 is an equidigital number, since it uses as much as digits as its factorization.

45547657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 43.

The square root of 45547657 is about 6748.9004289588. The cubic root of 45547657 is about 357.1264476346.

The spelling of 45547657 in words is "forty-five million, five hundred forty-seven thousand, six hundred fifty-seven".