45684081 has 15 divisors (see below), whose sum is σ = 68335113. Its totient is φ = 30415500.

The previous prime is 45684071. The next prime is 45684091. The reversal of 45684081 is 18048654.

The square root of 45684081 is 6759.

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

45684081 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 (45684071) and next prime (45684091).

It is not a de Polignac number, because 45684081 - 2⁹ = 45683569 is a prime.

It is a super-2 number, since 2×45684081² = 4174070513629122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45684071) 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 14 ways as a sum of consecutive naturals, for example, 60456 + ... + 61206.

Almost surely, 2^45684081 is an apocalyptic number.

45684081 is the 6759-th square number.

45684081 is the 3380-th centered octagonal number.

It is an amenable number.

45684081 is a deficient number, since it is larger than the sum of its proper divisors (22651032).

45684081 is an frugal number, since it uses more digits than its factorization.

45684081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The cubic root of 45684081 is about 357.4826463939.

Multiplying 45684081 by its sum of digits (36), we get a square (1644626916 = 40554²).

It can be divided in two parts, 4568 and 4081, that added together give a square (8649 = 93²).

The spelling of 45684081 in words is "forty-five million, six hundred eighty-four thousand, eighty-one".