45661271 has 4 divisors (see below), whose sum is σ = 45835152. Its totient is φ = 45487392.

The previous prime is 45661267. The next prime is 45661387. The reversal of 45661271 is 17216654.

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 45661271 - 2² = 45661267 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 (45661241) 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, 86546 + ... + 87071.

It is an arithmetic number, because the mean of its divisors is an integer number (11458788).

Almost surely, 2^45661271 is an apocalyptic number.

45661271 is a deficient number, since it is larger than the sum of its proper divisors (173881).

45661271 is a wasteful number, since it uses less digits than its factorization.

45661271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173880.

The product of its digits is 10080, while the sum is 32.

The square root of 45661271 is about 6757.3124095309. The cubic root of 45661271 is about 357.4231396212.

The spelling of 45661271 in words is "forty-five million, six hundred sixty-one thousand, two hundred seventy-one".