144033421 has 4 divisors (see below), whose sum is σ = 164609632. Its totient is φ = 123457212.

The previous prime is 144033403. The next prime is 144033437. The reversal of 144033421 is 124330441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144033421 - 2⁵ = 144033389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144033392 and 144033401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144033221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10288095 + ... + 10288108.

It is an arithmetic number, because the mean of its divisors is an integer number (41152408).

Almost surely, 2^144033421 is an apocalyptic number.

It is an amenable number.

144033421 is a deficient number, since it is larger than the sum of its proper divisors (20576211).

144033421 is an equidigital number, since it uses as much as digits as its factorization.

144033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20576210.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 144033421 is about 12001.3924608772. The cubic root of 144033421 is about 524.1888256116.

Adding to 144033421 its reverse (124330441), we get a palindrome (268363862).

The spelling of 144033421 in words is "one hundred forty-four million, thirty-three thousand, four hundred twenty-one".