45581081 has 8 divisors (see below), whose sum is σ = 56099904. Its totient is φ = 36064080.

The previous prime is 45581021. The next prime is 45581089. The reversal of 45581081 is 18018554.

45581081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45581081 - 2¹⁸ = 45318937 is a prime.

It is a super-2 number, since 2×45581081² = 4155269890257122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45581089) 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, 250355 + ... + 250536.

It is an arithmetic number, because the mean of its divisors is an integer number (7012488).

Almost surely, 2^45581081 is an apocalyptic number.

It is an amenable number.

45581081 is a deficient number, since it is larger than the sum of its proper divisors (10518823).

45581081 is a wasteful number, since it uses less digits than its factorization.

45581081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500911.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 45581081 is about 6751.3762300734. The cubic root of 45581081 is about 357.2137823559.

The spelling of 45581081 in words is "forty-five million, five hundred eighty-one thousand, eighty-one".