45645271 has 8 divisors (see below), whose sum is σ = 54434304. Its totient is φ = 37423320.

The previous prime is 45645211. The next prime is 45645287. The reversal of 45645271 is 17254654.

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 45645271 - 2¹³ = 45637079 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 (45645211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141595 + ... + 141916.

It is an arithmetic number, because the mean of its divisors is an integer number (6804288).

Almost surely, 2^45645271 is an apocalyptic number.

45645271 is a deficient number, since it is larger than the sum of its proper divisors (8789033).

45645271 is a wasteful number, since it uses less digits than its factorization.

45645271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283541.

The product of its digits is 33600, while the sum is 34.

The square root of 45645271 is about 6756.1284031611. The cubic root of 45645271 is about 357.3813869630.

The spelling of 45645271 in words is "forty-five million, six hundred forty-five thousand, two hundred seventy-one".