142423022240 has 192 divisors, whose sum is σ = 351671943168. Its totient is φ = 54446515200.

The previous prime is 142423022239. The next prime is 142423022309. The reversal of 142423022240 is 42220324241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195904757 + ... + 195905483.

It is an arithmetic number, because the mean of its divisors is an integer number (1831624704).

Almost surely, 2^142423022240 is an apocalyptic number.

142423022240 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 142423022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175835971584).

142423022240 is an abundant number, since it is smaller than the sum of its proper divisors (209248920928).

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

142423022240 is a wasteful number, since it uses less digits than its factorization.

142423022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 142423022240 its reverse (42220324241), we get a palindrome (184643346481).

The spelling of 142423022240 in words is "one hundred forty-two billion, four hundred twenty-three million, twenty-two thousand, two hundred forty".