45797 has 4 divisors (see below), whose sum is σ = 46956. Its totient is φ = 44640.

The previous prime is 45779. The next prime is 45817. The reversal of 45797 is 79754.

It is a Cunningham number, because it is equal to 214²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79754 = 2 ⋅39877.

It can be written as a sum of positive squares in 2 ways, for example, as 2116 + 43681 = 46^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 45797 - 2⁸ = 45541 is a prime.

It is a Duffinian number.

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 (45707) 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, 518 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (11739).

2⁴⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

45797 is a deficient number, since it is larger than the sum of its proper divisors (1159).

45797 is a wasteful number, since it uses less digits than its factorization.

45797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its digits is 8820, while the sum is 32.

The square root of 45797 is about 214.0023364358. The cubic root of 45797 is about 35.7776938331. Note that the first 3 decimals are identical.

The spelling of 45797 in words is "forty-five thousand, seven hundred ninety-seven".