45883881 has 16 divisors (see below), whose sum is σ = 69558720. Its totient is φ = 29877120.

The previous prime is 45883843. The next prime is 45883883. The reversal of 45883881 is 18838854.

45883881 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 45883881 - 2¹⁷ = 45752809 is a prime.

It is a super-2 number, since 2×45883881² = 4210661071244322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45883883) 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 15 ways as a sum of consecutive naturals, for example, 18600 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (4347420).

Almost surely, 2^45883881 is an apocalyptic number.

It is an amenable number.

45883881 is a deficient number, since it is larger than the sum of its proper divisors (23674839).

45883881 is a wasteful number, since it uses less digits than its factorization.

45883881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39573 (or 39567 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 45883881 is about 6773.7641677283. The cubic root of 45883881 is about 358.0030403495.

It can be divided in two parts, 45883 and 881, that added together give a palindrome (46764).

The spelling of 45883881 in words is "forty-five million, eight hundred eighty-three thousand, eight hundred eighty-one".