46845 has 16 divisors (see below), whose sum is σ = 83520. Its totient is φ = 24912.

The previous prime is 46831. The next prime is 46853. The reversal of 46845 is 54864.

It is not a de Polignac number, because 46845 - 2⁴ = 46829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

46845 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 308.

It is an arithmetic number, because the mean of its divisors is an integer number (5220).

2⁴⁶⁸⁴⁵ is an apocalyptic number.

46845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

46845 is a deficient number, since it is larger than the sum of its proper divisors (36675).

46845 is a wasteful number, since it uses less digits than its factorization.

46845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 355 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 46845 is about 216.4370578251. The cubic root of 46845 is about 36.0485456184.

The spelling of 46845 in words is "forty-six thousand, eight hundred forty-five".