45287 has 8 divisors (see below), whose sum is σ = 51840. Its totient is φ = 39160.

The previous prime is 45281. The next prime is 45289. The reversal of 45287 is 78254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45287 - 2¹⁰ = 44263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 342.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

2⁴⁵²⁸⁷ is an apocalyptic number.

45287 is a deficient number, since it is larger than the sum of its proper divisors (6553).

45287 is a wasteful number, since it uses less digits than its factorization.

45287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 2240, while the sum is 26.

The square root of 45287 is about 212.8074246825. The cubic root of 45287 is about 35.6443897730.

The spelling of 45287 in words is "forty-five thousand, two hundred eighty-seven".