1144240135000 has 160 divisors (see below), whose sum is σ = 2868335276400. Its totient is φ = 426496320000.

The previous prime is 1144240134997. The next prime is 1144240135033. The reversal of 1144240135000 is 5310424411.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5696274 + ... + 5893726.

Almost surely, 2^{1144240135000} is an apocalyptic number.

1144240135000 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 1144240135000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434167638200).

1144240135000 is an abundant number, since it is smaller than the sum of its proper divisors (1724095141400).

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

1144240135000 is a wasteful number, since it uses less digits than its factorization.

1144240135000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197559 (or 197540 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1144240135000 its reverse (5310424411), we get a palindrome (1149550559411).

The spelling of 1144240135000 in words is "one trillion, one hundred forty-four billion, two hundred forty million, one hundred thirty-five thousand".