142443032320 has 72 divisors (see below), whose sum is σ = 341536824720. Its totient is φ = 56920227840.

The previous prime is 142443032311. The next prime is 142443032323. The reversal of 142443032320 is 23230344241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142443032323) 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, 1236375 + ... + 1346665.

It is an arithmetic number, because the mean of its divisors is an integer number (4743567010).

Almost surely, 2^142443032320 is an apocalyptic number.

142443032320 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 142443032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170768412360).

142443032320 is an abundant number, since it is smaller than the sum of its proper divisors (199093792400).

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

142443032320 is a wasteful number, since it uses less digits than its factorization.

142443032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111321 (or 111307 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 142443032320 its reverse (23230344241), we get a palindrome (165673376561).

The spelling of 142443032320 in words is "one hundred forty-two billion, four hundred forty-three million, thirty-two thousand, three hundred twenty".