45046081 has 4 divisors (see below), whose sum is σ = 45116352. Its totient is φ = 44975812.

The previous prime is 45046063. The next prime is 45046097. The reversal of 45046081 is 18064054.

45046081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45046081 - 2⁵ = 45046049 is a prime.

It is a super-2 number, since 2×45046081² = 4058298826917122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45046051) 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 3 ways as a sum of consecutive naturals, for example, 34165 + ... + 35458.

It is an arithmetic number, because the mean of its divisors is an integer number (11279088).

Almost surely, 2^45046081 is an apocalyptic number.

It is an amenable number.

45046081 is a deficient number, since it is larger than the sum of its proper divisors (70271).

45046081 is an equidigital number, since it uses as much as digits as its factorization.

45046081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70270.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 45046081 is about 6711.6377286025. The cubic root of 45046081 is about 355.8107002895.

It can be divided in two parts, 4504 and 6081, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 45046081 in words is "forty-five million, forty-six thousand, eighty-one".