45493 has 8 divisors (see below), whose sum is σ = 53312. Its totient is φ = 38016.

The previous prime is 45491. The next prime is 45497. The reversal of 45493 is 39454.

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

It is a cyclic number.

It is not a de Polignac number, because 45493 - 2¹ = 45491 is a prime.

It is a super-2 number, since 2×45493² = 4139226098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45491) 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, 421 + ... + 517.

It is an arithmetic number, because the mean of its divisors is an integer number (6664).

2⁴⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

45493 is a deficient number, since it is larger than the sum of its proper divisors (7819).

45493 is an equidigital number, since it uses as much as digits as its factorization.

45493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171.

The product of its digits is 2160, while the sum is 25.

The square root of 45493 is about 213.2908811928. The cubic root of 45493 is about 35.6983540370.

The spelling of 45493 in words is "forty-five thousand, four hundred ninety-three".