441045 has 42 divisors (see below), whose sum is σ = 872214. Its totient is φ = 213840.

The previous prime is 441043. The next prime is 441053. The reversal of 441045 is 540144.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 88209 = 594^2 + 297^2 .

It is not a de Polignac number, because 441045 - 2¹ = 441043 is a prime.

It is an Ulam number.

441045 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441041) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 40090 + ... + 40100.

It is an arithmetic number, because the mean of its divisors is an integer number (20767).

2⁴⁴¹⁰⁴⁵ is an apocalyptic number.

441045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

441045 is a deficient number, since it is larger than the sum of its proper divisors (431169).

441045 is an equidigital number, since it uses as much as digits as its factorization.

441045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 441045 is about 664.1121893174. The cubic root of 441045 is about 76.1192150230.

Multiplying 441045 by its product of nonzero digits (320), we get a square (141134400 = 11880²).

Adding to 441045 its reverse (540144), we get a palindrome (981189).

Subtracting 441045 from its reverse (540144), we obtain a palindrome (99099).

It can be divided in two parts, 44 and 1045, that added together give a square (1089 = 33²).

The spelling of 441045 in words is "four hundred forty-one thousand, forty-five".