45291 has 8 divisors (see below), whose sum is σ = 62464. Its totient is φ = 29160.

The previous prime is 45289. The next prime is 45293. The reversal of 45291 is 19254.

It is an interprime number because it is at equal distance from previous prime (45289) and next prime (45293).

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

It is not a de Polignac number, because 45291 - 2¹ = 45289 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (45293) 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, 151 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (7808).

2⁴⁵²⁹¹ is an apocalyptic number.

45291 is a deficient number, since it is larger than the sum of its proper divisors (17173).

45291 is a wasteful number, since it uses less digits than its factorization.

45291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 360, while the sum is 21.

The square root of 45291 is about 212.8168226433. The cubic root of 45291 is about 35.6454391791.

The spelling of 45291 in words is "forty-five thousand, two hundred ninety-one".