45117389 has 8 divisors (see below), whose sum is σ = 46089120. Its totient is φ = 44156016.

The previous prime is 45117383. The next prime is 45117403. The reversal of 45117389 is 98371154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45117389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45117383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6554 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (5761140).

Almost surely, 2^45117389 is an apocalyptic number.

It is an amenable number.

45117389 is a deficient number, since it is larger than the sum of its proper divisors (971731).

45117389 is a wasteful number, since it uses less digits than its factorization.

45117389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179.

The product of its digits is 30240, while the sum is 38.

The square root of 45117389 is about 6716.9478932027. The cubic root of 45117389 is about 355.9983508950.

The spelling of 45117389 in words is "forty-five million, one hundred seventeen thousand, three hundred eighty-nine".