45546 has 8 divisors (see below), whose sum is σ = 91104. Its totient is φ = 15180.

The previous prime is 45541. The next prime is 45553. The reversal of 45546 is 64554.

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

45546 is an admirable number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (45541) 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, 3790 + ... + 3801.

It is an arithmetic number, because the mean of its divisors is an integer number (11388).

2⁴⁵⁵⁴⁶ is an apocalyptic number.

45546 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 (45552).

45546 is a wasteful number, since it uses less digits than its factorization.

45546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596.

The product of its digits is 2400, while the sum is 24.

The square root of 45546 is about 213.4150885013. The cubic root of 45546 is about 35.7122116891.

It can be divided in two parts, 4554 and 6, that added together give a triangular number (4560 = T₉₅).

The spelling of 45546 in words is "forty-five thousand, five hundred forty-six".