45847 has 6 divisors (see below), whose sum is σ = 48768. Its totient is φ = 43092.

The previous prime is 45841. The next prime is 45853. The reversal of 45847 is 74854.

45847 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (45841) and next prime (45853).

It is a de Polignac number, because none of the positive numbers 2^k-45847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (8128).

2⁴⁵⁸⁴⁷ is an apocalyptic number.

45847 is a deficient number, since it is larger than the sum of its proper divisors (2921).

45847 is a wasteful number, since it uses less digits than its factorization.

45847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 146 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 45847 is about 214.1191257221. The cubic root of 45847 is about 35.7907094896.

It can be divided in two parts, 458 and 47, that added together give a palindrome (505).

The spelling of 45847 in words is "forty-five thousand, eight hundred forty-seven".