1143231224140 has 12 divisors (see below), whose sum is σ = 2400785570736. Its totient is φ = 457292489648.

The previous prime is 1143231224123. The next prime is 1143231224147. The reversal of 1143231224140 is 414221323411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1143231224099 and 1143231224108.

It is not an unprimeable number, because it can be changed into a prime (1143231224147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28580780584 + ... + 28580780623.

It is an arithmetic number, because the mean of its divisors is an integer number (200065464228).

Almost surely, 2^{1143231224140} is an apocalyptic number.

1143231224140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143231224140 is an abundant number, since it is smaller than the sum of its proper divisors (1257554346596).

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

1143231224140 is a wasteful number, since it uses less digits than its factorization.

1143231224140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57161561216 (or 57161561214 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1143231224140 its reverse (414221323411), we get a palindrome (1557452547551).

The spelling of 1143231224140 in words is "one trillion, one hundred forty-three billion, two hundred thirty-one million, two hundred twenty-four thousand, one hundred forty".