45819081 has 32 divisors (see below), whose sum is σ = 84633600. Its totient is φ = 23801040.

The previous prime is 45819077. The next prime is 45819091. The reversal of 45819081 is 18091854.

45819081 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 45819081 - 2² = 45819077 is a prime.

It is a super-2 number, since 2×45819081² = 4198776367369122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45819001) 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 31 ways as a sum of consecutive naturals, for example, 8941 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (2644800).

Almost surely, 2^45819081 is an apocalyptic number.

It is an amenable number.

45819081 is a deficient number, since it is larger than the sum of its proper divisors (38814519).

45819081 is a wasteful number, since it uses less digits than its factorization.

45819081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22066 (or 22060 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 45819081 is about 6768.9793174451. The cubic root of 45819081 is about 357.8344297474.

The spelling of 45819081 in words is "forty-five million, eight hundred nineteen thousand, eighty-one".