142305422320 has 20 divisors (see below), whose sum is σ = 330860107080. Its totient is φ = 56922168896.

The previous prime is 142305422269. The next prime is 142305422323. The reversal of 142305422320 is 23224503241.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142305422323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889408810 + ... + 889408969.

It is an arithmetic number, because the mean of its divisors is an integer number (16543005354).

Almost surely, 2^142305422320 is an apocalyptic number.

142305422320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142305422320 is an abundant number, since it is smaller than the sum of its proper divisors (188554684760).

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

142305422320 is a wasteful number, since it uses less digits than its factorization.

142305422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778817792 (or 1778817786 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 142305422320 its reverse (23224503241), we get a palindrome (165529925561).

The spelling of 142305422320 in words is "one hundred forty-two billion, three hundred five million, four hundred twenty-two thousand, three hundred twenty".