45000457 has 2 divisors, whose sum is σ = 45000458. Its totient is φ = 45000456.

The previous prime is 45000451. The next prime is 45000463. The reversal of 45000457 is 75400054.

45000457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (45000451) and next prime (45000463).

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 6610041 = 6196^2 + 2571^2 .

It is a cyclic number.

It is not a de Polignac number, because 45000457 - 2¹¹ = 44998409 is a prime.

It is a super-2 number, since 2×45000457² = 4050082260417698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45000451) by changing a digit.

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 as a sum of consecutive naturals, namely, 22500228 + 22500229.

It is an arithmetic number, because the mean of its divisors is an integer number (22500229).

Almost surely, 2^45000457 is an apocalyptic number.

It is an amenable number.

45000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

45000457 is an equidigital number, since it uses as much as digits as its factorization.

45000457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 45000457 is about 6708.2379951817. The cubic root of 45000457 is about 355.6905345192.

The spelling of 45000457 in words is "forty-five million, four hundred fifty-seven", and thus it is an aban number.