142922235492 has 72 divisors (see below), whose sum is σ = 374157201600. Its totient is φ = 45945805248.

The previous prime is 142922235481. The next prime is 142922235523. The reversal of 142922235492 is 294532229241.

142922235492 is a `hidden beast` number, since 1 + 4 + 292 + 2 + 2 + 354 + 9 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848859 + ... + 1003197.

It is an arithmetic number, because the mean of its divisors is an integer number (5196627800).

Almost surely, 2^142922235492 is an apocalyptic number.

142922235492 is a gapful number since it is divisible by the number (12) 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 142922235492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187078600800).

142922235492 is an abundant number, since it is smaller than the sum of its proper divisors (231234966108).

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

142922235492 is a wasteful number, since it uses less digits than its factorization.

142922235492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155265 (or 155260 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 142922235492 in words is "one hundred forty-two billion, nine hundred twenty-two million, two hundred thirty-five thousand, four hundred ninety-two".