144041421 has 8 divisors (see below), whose sum is σ = 192115840. Its totient is φ = 95997312.

The previous prime is 144041399. The next prime is 144041423. The reversal of 144041421 is 124140441.

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

It is not a de Polignac number, because 144041421 - 2¹⁰ = 144040397 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 (144041423) 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, 8220 + ... + 18858.

It is an arithmetic number, because the mean of its divisors is an integer number (24014480).

Almost surely, 2^144041421 is an apocalyptic number.

It is an amenable number.

144041421 is a deficient number, since it is larger than the sum of its proper divisors (48074419).

144041421 is a wasteful number, since it uses less digits than its factorization.

144041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 144041421 is about 12001.7257509077. The cubic root of 144041421 is about 524.1985303800.

Adding to 144041421 its reverse (124140441), we get a palindrome (268181862).

The spelling of 144041421 in words is "one hundred forty-four million, forty-one thousand, four hundred twenty-one".