144299983 has 8 divisors (see below), whose sum is σ = 146034000. Its totient is φ = 142574208.

The previous prime is 144299971. The next prime is 144299989. The reversal of 144299983 is 389992441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144299983 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 (144299989) 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, 37608 + ... + 41266.

It is an arithmetic number, because the mean of its divisors is an integer number (18254250).

Almost surely, 2^144299983 is an apocalyptic number.

144299983 is a deficient number, since it is larger than the sum of its proper divisors (1734017).

144299983 is a wasteful number, since it uses less digits than its factorization.

144299983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121.

The product of its digits is 559872, while the sum is 49.

The square root of 144299983 is about 12012.4927887595. The cubic root of 144299983 is about 524.5119976245.

The spelling of 144299983 in words is "one hundred forty-four million, two hundred ninety-nine thousand, nine hundred eighty-three".