1146213443 has 8 divisors (see below), whose sum is σ = 1152390096. Its totient is φ = 1140048000.

The previous prime is 1146213413. The next prime is 1146213463. The reversal of 1146213443 is 3443126411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1146213443 - 2⁶ = 1146213379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146213413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270743 + ... + 274943.

It is an arithmetic number, because the mean of its divisors is an integer number (144048762).

Almost surely, 2^1146213443 is an apocalyptic number.

1146213443 is a deficient number, since it is larger than the sum of its proper divisors (6176653).

1146213443 is a wasteful number, since it uses less digits than its factorization.

1146213443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605.

The product of its digits is 6912, while the sum is 29.

The square root of 1146213443 is about 33855.7741456313. The cubic root of 1146213443 is about 1046.5383942340.

Adding to 1146213443 its reverse (3443126411), we get a palindrome (4589339854).

The spelling of 1146213443 in words is "one billion, one hundred forty-six million, two hundred thirteen thousand, four hundred forty-three".