1144203134320 has 40 divisors (see below), whose sum is σ = 2725156985040. Its totient is φ = 446518295040.

The previous prime is 1144203134311. The next prime is 1144203134329. The reversal of 1144203134320 is 234313024411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1144203134311) and next prime (1144203134329).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144203134329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174417930 + ... + 174424489.

It is an arithmetic number, because the mean of its divisors is an integer number (68128924626).

Almost surely, 2^{1144203134320} is an apocalyptic number.

1144203134320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144203134320 is an abundant number, since it is smaller than the sum of its proper divisors (1580953850720).

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

1144203134320 is a wasteful number, since it uses less digits than its factorization.

1144203134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348842473 (or 348842467 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1144203134320 its reverse (234313024411), we get a palindrome (1378516158731).

The spelling of 1144203134320 in words is "one trillion, one hundred forty-four billion, two hundred three million, one hundred thirty-four thousand, three hundred twenty".