144600189 has 4 divisors (see below), whose sum is σ = 192800256. Its totient is φ = 96400124.

The previous prime is 144600173. The next prime is 144600217. The reversal of 144600189 is 981006441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981006441 = 3 ⋅327002147.

It is a cyclic number.

It is not a de Polignac number, because 144600189 - 2⁴ = 144600173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144600109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24100029 + ... + 24100034.

It is an arithmetic number, because the mean of its divisors is an integer number (48200064).

Almost surely, 2^144600189 is an apocalyptic number.

It is an amenable number.

144600189 is a deficient number, since it is larger than the sum of its proper divisors (48200067).

144600189 is an equidigital number, since it uses as much as digits as its factorization.

144600189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48200066.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 144600189 is about 12024.9818710882. The cubic root of 144600189 is about 524.8754824879.

The spelling of 144600189 in words is "one hundred forty-four million, six hundred thousand, one hundred eighty-nine".