45457565 has 4 divisors (see below), whose sum is σ = 54549084. Its totient is φ = 36366048.

The previous prime is 45457549. The next prime is 45457583. The reversal of 45457565 is 56575454.

45457565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12773476 + 32684089 = 3574^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 45457565 - 2⁴ = 45457549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545752 + ... + 4545761.

It is an arithmetic number, because the mean of its divisors is an integer number (13637271).

Almost surely, 2^45457565 is an apocalyptic number.

It is an amenable number.

45457565 is a deficient number, since it is larger than the sum of its proper divisors (9091519).

45457565 is an equidigital number, since it uses as much as digits as its factorization.

45457565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091518.

The product of its digits is 420000, while the sum is 41.

The square root of 45457565 is about 6742.2225563979. Note that the first 3 decimals coincide. The cubic root of 45457565 is about 356.8908301545.

The spelling of 45457565 in words is "forty-five million, four hundred fifty-seven thousand, five hundred sixty-five".