1005453002243 has 16 divisors (see below), whose sum is σ = 1028195610624. Its totient is φ = 982767552000.

The previous prime is 1005453002221. The next prime is 1005453002269. The reversal of 1005453002243 is 3422003545001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1005453002243 - 2¹⁸ = 1005452740099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005453002443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185951246 + ... + 185956652.

It is an arithmetic number, because the mean of its divisors is an integer number (64262225664).

Almost surely, 2^{1005453002243} is an apocalyptic number.

1005453002243 is a deficient number, since it is larger than the sum of its proper divisors (22742608381).

1005453002243 is a wasteful number, since it uses less digits than its factorization.

1005453002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922.

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

Adding to 1005453002243 its reverse (3422003545001), we get a palindrome (4427456547244).

The spelling of 1005453002243 in words is "one trillion, five billion, four hundred fifty-three million, two thousand, two hundred forty-three".