45082881 has 12 divisors (see below), whose sum is σ = 65409552. Its totient is φ = 29921496.

The previous prime is 45082837. The next prime is 45082883. The reversal of 45082881 is 18828054.

45082881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45082881 - 2⁷ = 45082753 is a prime.

It is a super-2 number, since 2×45082881² = 4064932318520322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45082883) 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 11 ways as a sum of consecutive naturals, for example, 8991 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (5450796).

Almost surely, 2^45082881 is an apocalyptic number.

It is an amenable number.

45082881 is a deficient number, since it is larger than the sum of its proper divisors (20326671).

45082881 is a wasteful number, since it uses less digits than its factorization.

45082881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300 (or 22297 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 45082881 is about 6714.3786756483. The cubic root of 45082881 is about 355.9075660580.

The spelling of 45082881 in words is "forty-five million, eighty-two thousand, eight hundred eighty-one".