1142446433 has 4 divisors (see below), whose sum is σ = 1142612160. Its totient is φ = 1142280708.

The previous prime is 1142446399. The next prime is 1142446483. The reversal of 1142446433 is 3346442411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142446433 - 2⁸ = 1142446177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142446433.

It is not an unprimeable number, because it can be changed into a prime (1142446483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72053 + ... + 86466.

It is an arithmetic number, because the mean of its divisors is an integer number (285653040).

Almost surely, 2^1142446433 is an apocalyptic number.

It is an amenable number.

1142446433 is a deficient number, since it is larger than the sum of its proper divisors (165727).

1142446433 is an equidigital number, since it uses as much as digits as its factorization.

1142446433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165726.

The product of its digits is 27648, while the sum is 32.

The square root of 1142446433 is about 33800.0951625879. The cubic root of 1142446433 is about 1045.3906593998.

Adding to 1142446433 its reverse (3346442411), we get a palindrome (4488888844).

The spelling of 1142446433 in words is "one billion, one hundred forty-two million, four hundred forty-six thousand, four hundred thirty-three".