1142424100443 has 8 divisors (see below), whose sum is σ = 1564400570128. Its totient is φ = 741031848864.

The previous prime is 1142424100429. The next prime is 1142424100451. The reversal of 1142424100443 is 3440014242411.

It is a happy number.

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

It is not a de Polignac number, because 1142424100443 - 2⁶ = 1142424100379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142424100443.

It is not an unprimeable number, because it can be changed into a prime (1142424100453) 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 7 ways as a sum of consecutive naturals, for example, 5146054396 + ... + 5146054617.

It is an arithmetic number, because the mean of its divisors is an integer number (195550071266).

Almost surely, 2^{1142424100443} is an apocalyptic number.

1142424100443 is a deficient number, since it is larger than the sum of its proper divisors (421976469685).

1142424100443 is a wasteful number, since it uses less digits than its factorization.

1142424100443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292109053.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1142424100443 its reverse (3440014242411), we get a palindrome (4582438342854).

The spelling of 1142424100443 in words is "one trillion, one hundred forty-two billion, four hundred twenty-four million, one hundred thousand, four hundred forty-three".