45185284 has 9 divisors (see below), whose sum is σ = 79097781. Its totient is φ = 22585920.

The previous prime is 45185281. The next prime is 45185291. The reversal of 45185284 is 48258154.

The square root of 45185284 is 6722.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 11289600 = 5822^2 + 3360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45185281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11764 + ... + 15124.

Almost surely, 2^45185284 is an apocalyptic number.

45185284 is the 6722-nd square number.

It is an amenable number.

45185284 is a deficient number, since it is larger than the sum of its proper divisors (33912497).

45185284 is an frugal number, since it uses more digits than its factorization.

45185284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 3363 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The cubic root of 45185284 is about 356.1768363552.

The spelling of 45185284 in words is "forty-five million, one hundred eighty-five thousand, two hundred eighty-four".