45756489 has 8 divisors (see below), whose sum is σ = 61744032. Its totient is φ = 30136640.

The previous prime is 45756481. The next prime is 45756509. The reversal of 45756489 is 98465754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45756489 - 2³ = 45756481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45756481) 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 7 ways as a sum of consecutive naturals, for example, 91632 + ... + 92129.

It is an arithmetic number, because the mean of its divisors is an integer number (7718004).

Almost surely, 2^45756489 is an apocalyptic number.

It is an amenable number.

45756489 is a deficient number, since it is larger than the sum of its proper divisors (15987543).

45756489 is a wasteful number, since it uses less digits than its factorization.

45756489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183847.

The product of its digits is 1209600, while the sum is 48.

The square root of 45756489 is about 6764.3542929093. The cubic root of 45756489 is about 357.6714133886.

The spelling of 45756489 in words is "forty-five million, seven hundred fifty-six thousand, four hundred eighty-nine".