45184540 has 24 divisors (see below), whose sum is σ = 95869872. Its totient is φ = 17886720.

The previous prime is 45184537. The next prime is 45184543. The reversal of 45184540 is 4548154.

45184540 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 (45184537) and next prime (45184543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45184543) 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 in 7 ways as a sum of consecutive naturals, for example, 9706 + ... + 13585.

It is an arithmetic number, because the mean of its divisors is an integer number (3994578).

Almost surely, 2^45184540 is an apocalyptic number.

It is an amenable number.

45184540 is an abundant number, since it is smaller than the sum of its proper divisors (50685332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45184540 is a wasteful number, since it uses less digits than its factorization.

45184540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23397 (or 23395 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 45184540 is about 6721.9446590998. The cubic root of 45184540 is about 356.1748814634.

The spelling of 45184540 in words is "forty-five million, one hundred eighty-four thousand, five hundred forty".