142174490189 has 8 divisors (see below), whose sum is σ = 145295040000. Its totient is φ = 139086962352.

The previous prime is 142174490153. The next prime is 142174490207. The reversal of 142174490189 is 981094471241.

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 142174490189 - 2²⁸ = 141906054733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142174490149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8246789 + ... + 8264010.

It is an arithmetic number, because the mean of its divisors is an integer number (18161880000).

Almost surely, 2^142174490189 is an apocalyptic number.

It is an amenable number.

142174490189 is a deficient number, since it is larger than the sum of its proper divisors (3120549811).

142174490189 is a wasteful number, since it uses less digits than its factorization.

142174490189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510987.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 142174490189 in words is "one hundred forty-two billion, one hundred seventy-four million, four hundred ninety thousand, one hundred eighty-nine".