44545 has 8 divisors (see below), whose sum is σ = 54720. Its totient is φ = 34800.

The previous prime is 44543. The next prime is 44549. The reversal of 44545 is 54544.

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

It is not a de Polignac number, because 44545 - 2¹ = 44543 is a prime.

44545 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44543) 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, 220 + ... + 370.

It is an arithmetic number, because the mean of its divisors is an integer number (6840).

It is a Proth number, since it is equal to 87 ⋅ 2⁹ + 1 and 87 < 2⁹.

2⁴⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

44545 is a deficient number, since it is larger than the sum of its proper divisors (10175).

44545 is a wasteful number, since it uses less digits than its factorization.

44545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its digits is 1600, while the sum is 22.

The square root of 44545 is about 211.0568643755. The cubic root of 44545 is about 35.4486462402.

Subtracting 44545 from its reverse (54544), we obtain a palindrome (9999).

The spelling of 44545 in words is "forty-four thousand, five hundred forty-five".