45444075 has 12 divisors (see below), whose sum is σ = 75134328. Its totient is φ = 24236800.

The previous prime is 45444071. The next prime is 45444079. The reversal of 45444075 is 57044454.

It is an interprime number because it is at equal distance from previous prime (45444071) and next prime (45444079).

It is not a de Polignac number, because 45444075 - 2² = 45444071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45444071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302886 + ... + 303035.

It is an arithmetic number, because the mean of its divisors is an integer number (6261194).

Almost surely, 2^45444075 is an apocalyptic number.

45444075 is a deficient number, since it is larger than the sum of its proper divisors (29690253).

45444075 is a wasteful number, since it uses less digits than its factorization.

45444075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605934 (or 605929 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 45444075 is about 6741.2220702184. Note that the first 3 decimals coincide. The cubic root of 45444075 is about 356.8555229867.

The spelling of 45444075 in words is "forty-five million, four hundred forty-four thousand, seventy-five".