45117471 has 8 divisors (see below), whose sum is σ = 68750464. Its totient is φ = 25781400.

The previous prime is 45117461. The next prime is 45117503. The reversal of 45117471 is 17471154.

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

It is not a de Polignac number, because 45117471 - 2⁹ = 45116959 is a prime.

It is a super-4 number, since 4×45117471⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45117451) 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, 1074205 + ... + 1074246.

It is an arithmetic number, because the mean of its divisors is an integer number (8593808).

Almost surely, 2^45117471 is an apocalyptic number.

45117471 is a deficient number, since it is larger than the sum of its proper divisors (23632993).

45117471 is a wasteful number, since it uses less digits than its factorization.

45117471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148461.

The product of its digits is 3920, while the sum is 30.

The square root of 45117471 is about 6716.9539971627. The cubic root of 45117471 is about 355.9985665683.

The spelling of 45117471 in words is "forty-five million, one hundred seventeen thousand, four hundred seventy-one".