142183193 has 8 divisors (see below), whose sum is σ = 146186760. Its totient is φ = 138188160.

The previous prime is 142183169. The next prime is 142183199. The reversal of 142183193 is 391381241.

It can be written as a sum of positive squares in 4 ways, for example, as 110733529 + 31449664 = 10523^2 + 5608^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142183193 - 2¹² = 142179097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142183199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47423 + ... + 50331.

It is an arithmetic number, because the mean of its divisors is an integer number (18273345).

Almost surely, 2^142183193 is an apocalyptic number.

It is an amenable number.

142183193 is a deficient number, since it is larger than the sum of its proper divisors (4003567).

142183193 is a wasteful number, since it uses less digits than its factorization.

142183193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its digits is 5184, while the sum is 32.

The square root of 142183193 is about 11924.0594178325. The cubic root of 142183193 is about 521.9345995877.

The spelling of 142183193 in words is "one hundred forty-two million, one hundred eighty-three thousand, one hundred ninety-three".