142320302340 has 48 divisors (see below), whose sum is σ = 398530987008. Its totient is φ = 37948829184.

The previous prime is 142320302321. The next prime is 142320302417. The reversal of 142320302340 is 43203023241.

It is a self number, because there is not a number n which added to its sum of digits gives 142320302340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650589 + ... + 841371.

It is an arithmetic number, because the mean of its divisors is an integer number (8302728896).

Almost surely, 2^142320302340 is an apocalyptic number.

142320302340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142320302340 is an abundant number, since it is smaller than the sum of its proper divisors (256210684668).

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

142320302340 is a wasteful number, since it uses less digits than its factorization.

142320302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203228 (or 203226 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 142320302340 its reverse (43203023241), we get a palindrome (185523325581).

The spelling of 142320302340 in words is "one hundred forty-two billion, three hundred twenty million, three hundred two thousand, three hundred forty".