1044553043 has 4 divisors (see below), whose sum is σ = 1049114640. Its totient is φ = 1039991448.

The previous prime is 1044553021. The next prime is 1044553061. The reversal of 1044553043 is 3403554401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403554401 = 13 ⋅261811877.

It is a cyclic number.

It is not a de Polignac number, because 1044553043 - 2⁶ = 1044552979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1044552997 and 1044553015.

It is not an unprimeable number, because it can be changed into a prime (1044553943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280455 + ... + 2280912.

It is an arithmetic number, because the mean of its divisors is an integer number (262278660).

Almost surely, 2^1044553043 is an apocalyptic number.

1044553043 is a deficient number, since it is larger than the sum of its proper divisors (4561597).

1044553043 is an equidigital number, since it uses as much as digits as its factorization.

1044553043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561596.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1044553043 is about 32319.5458352991. The cubic root of 1044553043 is about 1014.6357637325.

The spelling of 1044553043 in words is "one billion, forty-four million, five hundred fifty-three thousand, forty-three".