45045585 has 32 divisors (see below), whose sum is σ = 86244480. Its totient is φ = 22175424.

The previous prime is 45045577. The next prime is 45045589. The reversal of 45045585 is 58554054.

It is not a de Polignac number, because 45045585 - 2³ = 45045577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45045589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11079 + ... + 14588.

It is an arithmetic number, because the mean of its divisors is an integer number (2695140).

Almost surely, 2^45045585 is an apocalyptic number.

45045585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45045585 is a deficient number, since it is larger than the sum of its proper divisors (41198895).

45045585 is a wasteful number, since it uses less digits than its factorization.

45045585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25694 (or 25688 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 45045585 is about 6711.6007777579. The cubic root of 45045585 is about 355.8093943471.

The spelling of 45045585 in words is "forty-five million, forty-five thousand, five hundred eighty-five".