142309122 has 8 divisors (see below), whose sum is σ = 284618256. Its totient is φ = 47436372.

The previous prime is 142309109. The next prime is 142309169. The reversal of 142309122 is 221903241.

142309122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

142309122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 142309092 and 142309101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11859088 + ... + 11859099.

It is an arithmetic number, because the mean of its divisors is an integer number (35577282).

Almost surely, 2^142309122 is an apocalyptic number.

142309122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142309122 is a wasteful number, since it uses less digits than its factorization.

142309122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23718192.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 142309122 is about 11929.3387075730. The cubic root of 142309122 is about 522.0886433628.

The spelling of 142309122 in words is "one hundred forty-two million, three hundred nine thousand, one hundred twenty-two".