1142144004421 has 8 divisors (see below), whose sum is σ = 1305331300224. Its totient is φ = 978962675280.

The previous prime is 1142144004401. The next prime is 1142144004433. The reversal of 1142144004421 is 1244004412411.

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 1142144004421 - 2¹³ = 1142143996229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142144004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142144004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073665 + ... + 1853926.

It is an arithmetic number, because the mean of its divisors is an integer number (163166412528).

Almost surely, 2^{1142144004421} is an apocalyptic number.

It is an amenable number.

1142144004421 is a deficient number, since it is larger than the sum of its proper divisors (163187295803).

1142144004421 is an equidigital number, since it uses as much as digits as its factorization.

1142144004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983331.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1142144004421 its reverse (1244004412411), we get a palindrome (2386148416832).

The spelling of 1142144004421 in words is "one trillion, one hundred forty-two billion, one hundred forty-four million, four thousand, four hundred twenty-one".