144204401 has 4 divisors (see below), whose sum is σ = 157313904. Its totient is φ = 131094900.

The previous prime is 144204397. The next prime is 144204409. The reversal of 144204401 is 104402441.

It is a happy number.

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 144204401 - 2² = 144204397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144204409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6554735 + ... + 6554756.

It is an arithmetic number, because the mean of its divisors is an integer number (39328476).

Almost surely, 2^144204401 is an apocalyptic number.

144204401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144204401 is a deficient number, since it is larger than the sum of its proper divisors (13109503).

144204401 is a wasteful number, since it uses less digits than its factorization.

144204401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109502.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144204401 is about 12008.5136882130. The cubic root of 144204401 is about 524.3961625932.

Adding to 144204401 its reverse (104402441), we get a palindrome (248606842).

The spelling of 144204401 in words is "one hundred forty-four million, two hundred four thousand, four hundred one".