142572938 has 8 divisors (see below), whose sum is σ = 214269888. Its totient is φ = 71149644.

The previous prime is 142572923. The next prime is 142572943. The reversal of 142572938 is 839275241.

142572938 is digitally balanced in base 3, 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.

It is a junction number, because it is equal to n+sod(n) for n = 142572895 and 142572904.

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 3 ways as a sum of consecutive naturals, for example, 67106 + ... + 69197.

It is an arithmetic number, because the mean of its divisors is an integer number (26783736).

Almost surely, 2^142572938 is an apocalyptic number.

142572938 is a deficient number, since it is larger than the sum of its proper divisors (71696950).

142572938 is a wasteful number, since it uses less digits than its factorization.

142572938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136828.

The product of its digits is 120960, while the sum is 41.

The square root of 142572938 is about 11940.3910321229. The cubic root of 142572938 is about 522.4110642796.

The spelling of 142572938 in words is "one hundred forty-two million, five hundred seventy-two thousand, nine hundred thirty-eight".