45123775 has 6 divisors (see below), whose sum is σ = 55953512. Its totient is φ = 36099000.

The previous prime is 45123691. The next prime is 45123791. The reversal of 45123775 is 57732154.

45123775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45123775 - 2¹⁹ = 44599487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45123775.

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 5 ways as a sum of consecutive naturals, for example, 902451 + ... + 902500.

Almost surely, 2^45123775 is an apocalyptic number.

45123775 is a deficient number, since it is larger than the sum of its proper divisors (10829737).

45123775 is a wasteful number, since it uses less digits than its factorization.

45123775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804961 (or 1804956 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 45123775 is about 6717.4232410948. The cubic root of 45123775 is about 356.0151463278.

The spelling of 45123775 in words is "forty-five million, one hundred twenty-three thousand, seven hundred seventy-five".