45538171 has 4 divisors (see below), whose sum is σ = 52043632. Its totient is φ = 39032712.

The previous prime is 45538169. The next prime is 45538201. The reversal of 45538171 is 17183554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45538171 - 2¹ = 45538169 is a prime.

It is a super-4 number, since 4×45538171⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45538151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252720 + ... + 3252733.

It is an arithmetic number, because the mean of its divisors is an integer number (13010908).

Almost surely, 2^45538171 is an apocalyptic number.

45538171 is a deficient number, since it is larger than the sum of its proper divisors (6505461).

45538171 is an equidigital number, since it uses as much as digits as its factorization.

45538171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505460.

The product of its digits is 16800, while the sum is 34.

The square root of 45538171 is about 6748.1976112144. The cubic root of 45538171 is about 357.1016535551.

The spelling of 45538171 in words is "forty-five million, five hundred thirty-eight thousand, one hundred seventy-one".