45881115 has 16 divisors (see below), whose sum is σ = 83897088. Its totient is φ = 20974176.

The previous prime is 45881083. The next prime is 45881117. The reversal of 45881115 is 51118854.

It is not a de Polignac number, because 45881115 - 2⁵ = 45881083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45881117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218377 + ... + 218586.

It is an arithmetic number, because the mean of its divisors is an integer number (5243568).

Almost surely, 2^45881115 is an apocalyptic number.

45881115 is a deficient number, since it is larger than the sum of its proper divisors (38015973).

45881115 is a wasteful number, since it uses less digits than its factorization.

45881115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436978.

The product of its digits is 6400, while the sum is 33.

The square root of 45881115 is about 6773.5599945671. The cubic root of 45881115 is about 357.9958464194.

Adding to 45881115 its reverse (51118854), we get a palindrome (96999969).

The spelling of 45881115 in words is "forty-five million, eight hundred eighty-one thousand, one hundred fifteen".