1143279151432 has 96 divisors (see below), whose sum is σ = 2442196189440. Its totient is φ = 497428006400.

The previous prime is 1143279151429. The next prime is 1143279151433. The reversal of 1143279151432 is 2341519723411.

It is not an unprimeable number, because it can be changed into a prime (1143279151433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7767273 + ... + 7913095.

It is an arithmetic number, because the mean of its divisors is an integer number (25439543640).

Almost surely, 2^{1143279151432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143279151432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221098094720).

1143279151432 is an abundant number, since it is smaller than the sum of its proper divisors (1298917038008).

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

1143279151432 is a wasteful number, since it uses less digits than its factorization.

1143279151432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145975 (or 145930 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The spelling of 1143279151432 in words is "one trillion, one hundred forty-three billion, two hundred seventy-nine million, one hundred fifty-one thousand, four hundred thirty-two".