144038663 has 4 divisors (see below), whose sum is σ = 144194640. Its totient is φ = 143882688.

The previous prime is 144038641. The next prime is 144038689. The reversal of 144038663 is 366830441.

144038663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144038663 - 2⁸ = 144038407 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 (144038693) 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, 76595 + ... + 78452.

It is an arithmetic number, because the mean of its divisors is an integer number (36048660).

Almost surely, 2^144038663 is an apocalyptic number.

144038663 is a deficient number, since it is larger than the sum of its proper divisors (155977).

144038663 is an equidigital number, since it uses as much as digits as its factorization.

144038663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155976.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 144038663 is about 12001.6108502151. The cubic root of 144038663 is about 524.1951847017.

The spelling of 144038663 in words is "one hundred forty-four million, thirty-eight thousand, six hundred sixty-three".