142085198 has 8 divisors (see below), whose sum is σ = 213184440. Its totient is φ = 71023720.

The previous prime is 142085197. The next prime is 142085219. The reversal of 142085198 is 891580241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142085197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533 + ... + 17223.

It is an arithmetic number, because the mean of its divisors is an integer number (26648055).

Almost surely, 2^142085198 is an apocalyptic number.

142085198 is a deficient number, since it is larger than the sum of its proper divisors (71099242).

142085198 is a wasteful number, since it uses less digits than its factorization.

142085198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18882.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 142085198 is about 11919.9495804303. The cubic root of 142085198 is about 521.8146633867.

The spelling of 142085198 in words is "one hundred forty-two million, eighty-five thousand, one hundred ninety-eight".