144133994 has 8 divisors (see below), whose sum is σ = 217023840. Its totient is φ = 71792716.

The previous prime is 144133993. The next prime is 144134017. The reversal of 144133994 is 499331441.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (144133993) 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, 136484 + ... + 137535.

It is an arithmetic number, because the mean of its divisors is an integer number (27127980).

Almost surely, 2^144133994 is an apocalyptic number.

144133994 is a deficient number, since it is larger than the sum of its proper divisors (72889846).

144133994 is a wasteful number, since it uses less digits than its factorization.

144133994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274284.

The product of its digits is 46656, while the sum is 38.

The square root of 144133994 is about 12005.5817851531. The cubic root of 144133994 is about 524.3108041926.

The spelling of 144133994 in words is "one hundred forty-four million, one hundred thirty-three thousand, nine hundred ninety-four".