45881665 has 32 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 33200640.

The previous prime is 45881663. The next prime is 45881677. The reversal of 45881665 is 56618854.

It is not a de Polignac number, because 45881665 - 2¹ = 45881663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45881663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174324 + ... + 174586.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^45881665 is an apocalyptic number.

It is an amenable number.

45881665 is a deficient number, since it is larger than the sum of its proper divisors (14791871).

45881665 is a wasteful number, since it uses less digits than its factorization.

45881665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369.

The product of its digits is 230400, while the sum is 43.

The square root of 45881665 is about 6773.6005934805. The cubic root of 45881665 is about 357.9972769057.

The spelling of 45881665 in words is "forty-five million, eight hundred eighty-one thousand, six hundred sixty-five".