1404144343 has 18 divisors (see below), whose sum is σ = 1674301128. Its totient is φ = 1174128480.

The previous prime is 1404144337. The next prime is 1404144347. The reversal of 1404144343 is 3434414041.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1404144343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404144347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73846 + ... + 90892.

Almost surely, 2^1404144343 is an apocalyptic number.

1404144343 is a deficient number, since it is larger than the sum of its proper divisors (270156785).

1404144343 is an equidigital number, since it uses as much as digits as its factorization.

1404144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143 (or 17095 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1404144343 is about 37471.9140557298. The cubic root of 1404144343 is about 1119.7917190819.

Adding to 1404144343 its reverse (3434414041), we get a palindrome (4838558384).

The spelling of 1404144343 in words is "one billion, four hundred four million, one hundred forty-four thousand, three hundred forty-three".