1142344544000 has 648 divisors, whose sum is σ = 3242627820432. Its totient is φ = 400688640000.

The previous prime is 1142344543987. The next prime is 1142344544021. The reversal of 1142344544000 is 4454432411.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3720991847 + ... + 3720992153.

Almost surely, 2^{1142344544000} is an apocalyptic number.

1142344544000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142344544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621313910216).

1142344544000 is an abundant number, since it is smaller than the sum of its proper divisors (2100283276432).

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

1142344544000 is an equidigital number, since it uses as much as digits as its factorization.

1142344544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1142344544000 its reverse (4454432411), we get a palindrome (1146798976411).

The spelling of 1142344544000 in words is "one trillion, one hundred forty-two billion, three hundred forty-four million, five hundred forty-four thousand".