441323145 has 48 divisors (see below), whose sum is σ = 813236112. Its totient is φ = 220631040.

The previous prime is 441323119. The next prime is 441323153. The reversal of 441323145 is 541323144.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13329801 + 427993344 = 3651^2 + 20688^2 .

It is not a de Polignac number, because 441323145 - 2⁶ = 441323081 is a prime.

It is a super-2 number, since 2×441323145² = 389532236625382050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213939 + ... + 215991.

It is an arithmetic number, because the mean of its divisors is an integer number (16942419).

Almost surely, 2^441323145 is an apocalyptic number.

441323145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

441323145 is a deficient number, since it is larger than the sum of its proper divisors (371912967).

441323145 is a wasteful number, since it uses less digits than its factorization.

441323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2359 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 441323145 is about 21007.6925196462. The cubic root of 441323145 is about 761.3521318639.

Adding to 441323145 its reverse (541323144), we get a palindrome (982646289).

Subtracting 441323145 from its reverse (541323144), we obtain a palindrome (99999999).

The spelling of 441323145 in words is "four hundred forty-one million, three hundred twenty-three thousand, one hundred forty-five".