45861664 has 12 divisors (see below), whose sum is σ = 90290214. Its totient is φ = 22930816.

The previous prime is 45861661. The next prime is 45861667. The reversal of 45861664 is 46616854.

It is a happy number.

45861664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45861661) and next prime (45861667).

It can be written as a sum of positive squares in only one way, i.e., 30338064 + 15523600 = 5508^2 + 3940^2 .

It is not an unprimeable number, because it can be changed into a prime (45861661) 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, 716557 + ... + 716620.

Almost surely, 2^45861664 is an apocalyptic number.

It is an amenable number.

45861664 is a deficient number, since it is larger than the sum of its proper divisors (44428550).

45861664 is a wasteful number, since it uses less digits than its factorization.

45861664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433187 (or 1433179 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 45861664 is about 6772.1240390294. The cubic root of 45861664 is about 357.9452492658.

The spelling of 45861664 in words is "forty-five million, eight hundred sixty-one thousand, six hundred sixty-four".