1044405144343 has 16 divisors (see below), whose sum is σ = 1146384230400. Its totient is φ = 943609154400.

The previous prime is 1044405144319. The next prime is 1044405144439. The reversal of 1044405144343 is 3434415044401.

It is a de Polignac number, because none of the positive numbers 2^k-1044405144343 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 (1044405147343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647738 + ... + 2191768.

It is an arithmetic number, because the mean of its divisors is an integer number (71649014400).

Almost surely, 2^{1044405144343} is an apocalyptic number.

1044405144343 is a deficient number, since it is larger than the sum of its proper divisors (101979086057).

1044405144343 is a wasteful number, since it uses less digits than its factorization.

1044405144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545118.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 1044405144343 in words is "one trillion, forty-four billion, four hundred five million, one hundred forty-four thousand, three hundred forty-three".