142184189 has 8 divisors (see below), whose sum is σ = 162570240. Its totient is φ = 121816656.

The previous prime is 142184173. The next prime is 142184219. The reversal of 142184189 is 981481241.

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 142184189 - 2⁴ = 142184173 is a prime.

It is a super-3 number, since 3×142184189³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142184149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22247 + ... + 27915.

It is an arithmetic number, because the mean of its divisors is an integer number (20321280).

Almost surely, 2^142184189 is an apocalyptic number.

It is an amenable number.

142184189 is a deficient number, since it is larger than the sum of its proper divisors (20386051).

142184189 is an equidigital number, since it uses as much as digits as its factorization.

142184189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259.

The product of its digits is 18432, while the sum is 38.

The square root of 142184189 is about 11924.1011820598. The cubic root of 142184189 is about 521.9358183104.

The spelling of 142184189 in words is "one hundred forty-two million, one hundred eighty-four thousand, one hundred eighty-nine".