144890673 has 8 divisors (see below), whose sum is σ = 193323936. Its totient is φ = 96525600.

The previous prime is 144890657. The next prime is 144890701. The reversal of 144890673 is 376098441.

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

It is not a de Polignac number, because 144890673 - 2⁴ = 144890657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144890653) 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, 11863 + ... + 20748.

It is an arithmetic number, because the mean of its divisors is an integer number (24165492).

Almost surely, 2^144890673 is an apocalyptic number.

It is an amenable number.

144890673 is a deficient number, since it is larger than the sum of its proper divisors (48433263).

144890673 is a wasteful number, since it uses less digits than its factorization.

144890673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34095.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 144890673 is about 12037.0541661986. The cubic root of 144890673 is about 525.2267174991.

The spelling of 144890673 in words is "one hundred forty-four million, eight hundred ninety thousand, six hundred seventy-three".