1143223301142 has 96 divisors (see below), whose sum is σ = 2751943312800. Its totient is φ = 351634203648.

The previous prime is 1143223301123. The next prime is 1143223301167. The reversal of 1143223301142 is 2411033223411.

1143223301142 is a `hidden beast` number, since 1 + 1 + 4 + 322 + 330 + 1 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27073998 + ... + 27116190.

It is an arithmetic number, because the mean of its divisors is an integer number (28666076175).

Almost surely, 2^{1143223301142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143223301142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375971656400).

1143223301142 is an abundant number, since it is smaller than the sum of its proper divisors (1608720011658).

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

1143223301142 is a wasteful number, since it uses less digits than its factorization.

1143223301142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45199 (or 45180 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1143223301142 its reverse (2411033223411), we get a palindrome (3554256524553).

The spelling of 1143223301142 in words is "one trillion, one hundred forty-three billion, two hundred twenty-three million, three hundred one thousand, one hundred forty-two".