144203799 has 4 divisors (see below), whose sum is σ = 192271736. Its totient is φ = 96135864.

The previous prime is 144203797. The next prime is 144203821. The reversal of 144203799 is 997302441.

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

It is not a de Polignac number, because 144203799 - 2¹ = 144203797 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 (144203797) 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, 24033964 + ... + 24033969.

It is an arithmetic number, because the mean of its divisors is an integer number (48067934).

Almost surely, 2^144203799 is an apocalyptic number.

144203799 is a deficient number, since it is larger than the sum of its proper divisors (48067937).

144203799 is an equidigital number, since it uses as much as digits as its factorization.

144203799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48067936.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 144203799 is about 12008.4886226369. The cubic root of 144203799 is about 524.3954328723.

The spelling of 144203799 in words is "one hundred forty-four million, two hundred three thousand, seven hundred ninety-nine".