142322404 has 24 divisors (see below), whose sum is σ = 284936960. Its totient is φ = 60932736.

The previous prime is 142322399. The next prime is 142322443. The reversal of 142322404 is 404223241.

It is a happy number.

142322404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34357 + ... + 38275.

Almost surely, 2^142322404 is an apocalyptic number.

142322404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142322404 is an abundant number, since it is smaller than the sum of its proper divisors (142614556).

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

142322404 is a wasteful number, since it uses less digits than its factorization.

142322404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142322404 is about 11929.8953893150. The cubic root of 142322404 is about 522.1048853894.

Adding to 142322404 its reverse (404223241), we get a palindrome (546545645).

The spelling of 142322404 in words is "one hundred forty-two million, three hundred twenty-two thousand, four hundred four".