1142321240244 has 96 divisors (see below), whose sum is σ = 2731251156480. Its totient is φ = 371457111168.

The previous prime is 1142321240243. The next prime is 1142321240267. The reversal of 1142321240244 is 4420421232411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142321240243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81803607 + ... + 81817569.

It is an arithmetic number, because the mean of its divisors is an integer number (28450532880).

Almost surely, 2^{1142321240244} is an apocalyptic number.

It is an amenable number.

1142321240244 is an abundant number, since it is smaller than the sum of its proper divisors (1588929916236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142321240244 is a wasteful number, since it uses less digits than its factorization.

1142321240244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749 (or 14747 counting only the distinct ones).

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

Adding to 1142321240244 its reverse (4420421232411), we get a palindrome (5562742472655).

The spelling of 1142321240244 in words is "one trillion, one hundred forty-two billion, three hundred twenty-one million, two hundred forty thousand, two hundred forty-four".