45541881 has 24 divisors (see below), whose sum is σ = 82016064. Its totient is φ = 23657760.

The previous prime is 45541829. The next prime is 45541889. The reversal of 45541881 is 18814554.

It is not a de Polignac number, because 45541881 - 2¹⁰ = 45540857 is a prime.

It is a super-3 number, since 3×45541881³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (45541889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32166 + ... + 33551.

It is an arithmetic number, because the mean of its divisors is an integer number (3417336).

Almost surely, 2^45541881 is an apocalyptic number.

It is an amenable number.

45541881 is a deficient number, since it is larger than the sum of its proper divisors (36474183).

45541881 is a wasteful number, since it uses less digits than its factorization.

45541881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65741 (or 65738 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 45541881 is about 6748.4724938315. The cubic root of 45541881 is about 357.1113509959. Note that the first 3 decimals are identical.

The spelling of 45541881 in words is "forty-five million, five hundred forty-one thousand, eight hundred eighty-one".