404143241 has 4 divisors (see below), whose sum is σ = 404246400. Its totient is φ = 404040084.

The previous prime is 404143237. The next prime is 404143247. The reversal of 404143241 is 142341404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404143241 - 2² = 404143237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404143247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45461 + ... + 53618.

It is an arithmetic number, because the mean of its divisors is an integer number (101061600).

Almost surely, 2^404143241 is an apocalyptic number.

It is an amenable number.

404143241 is a deficient number, since it is larger than the sum of its proper divisors (103159).

404143241 is an equidigital number, since it uses as much as digits as its factorization.

404143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103158.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404143241 is about 20103.3141795078. The cubic root of 404143241 is about 739.3415380785.

Adding to 404143241 its reverse (142341404), we get a palindrome (546484645).

The spelling of 404143241 in words is "four hundred four million, one hundred forty-three thousand, two hundred forty-one".