144204001 has 2 divisors, whose sum is σ = 144204002. Its totient is φ = 144204000.

The previous prime is 144203987. The next prime is 144204023. The reversal of 144204001 is 100402441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77862976 + 66341025 = 8824^2 + 8145^2 .

It is a cyclic number.

It is not a de Polignac number, because 144204001 - 2²¹ = 142106849 is a prime.

It is not a weakly prime, because it can be changed into another prime (144004001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72102000 + 72102001.

It is an arithmetic number, because the mean of its divisors is an integer number (72102001).

Almost surely, 2^144204001 is an apocalyptic number.

It is an amenable number.

144204001 is a deficient number, since it is larger than the sum of its proper divisors (1).

144204001 is an equidigital number, since it uses as much as digits as its factorization.

144204001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 144204001 is about 12008.4970333510. The cubic root of 144204001 is about 524.3956777290.

Adding to 144204001 its reverse (100402441), we get a palindrome (244606442).

The spelling of 144204001 in words is "one hundred forty-four million, two hundred four thousand, one".