144390003 has 8 divisors (see below), whose sum is σ = 193905600. Its totient is φ = 95567208.

The previous prime is 144389963. The next prime is 144390007. The reversal of 144390003 is 300093441.

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

It is not a de Polignac number, because 144390003 - 2⁹ = 144389491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144390007) 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, 172713 + ... + 173546.

It is an arithmetic number, because the mean of its divisors is an integer number (24238200).

Almost surely, 2^144390003 is an apocalyptic number.

144390003 is a deficient number, since it is larger than the sum of its proper divisors (49515597).

144390003 is a wasteful number, since it uses less digits than its factorization.

144390003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346401.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 144390003 is about 12016.2391371011. The cubic root of 144390003 is about 524.6210453502.

The spelling of 144390003 in words is "one hundred forty-four million, three hundred ninety thousand, three".