142930938 has 8 divisors (see below), whose sum is σ = 285861888. Its totient is φ = 47643644.

The previous prime is 142930933. The next prime is 142930979. The reversal of 142930938 is 839039241.

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

142930938 is an admirable number.

It is a super-3 number, since 3×142930938³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142930896 and 142930905.

It is not an unprimeable number, because it can be changed into a prime (142930933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11910906 + ... + 11910917.

It is an arithmetic number, because the mean of its divisors is an integer number (35732736).

Almost surely, 2^142930938 is an apocalyptic number.

142930938 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.

142930938 is a wasteful number, since it uses less digits than its factorization.

142930938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23821828.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 142930938 is about 11955.3727670868. The cubic root of 142930938 is about 522.8479560758.

The spelling of 142930938 in words is "one hundred forty-two million, nine hundred thirty thousand, nine hundred thirty-eight".