45498 has 8 divisors (see below), whose sum is σ = 91008. Its totient is φ = 15164.

The previous prime is 45497. The next prime is 45503. The reversal of 45498 is 89454.

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

45498 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a nialpdrome in base 15.

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 3 ways as a sum of consecutive naturals, for example, 3786 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (11376).

2⁴⁵⁴⁹⁸ is an apocalyptic number.

45498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45504).

45498 is a wasteful number, since it uses less digits than its factorization.

45498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588.

The product of its digits is 5760, while the sum is 30.

The square root of 45498 is about 213.3026019532. The cubic root of 45498 is about 35.6996618223.

Subtracting 45498 from its reverse (89454), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 45498 in words is "forty-five thousand, four hundred ninety-eight".