144404357 has 2 divisors, whose sum is σ = 144404358. Its totient is φ = 144404356.

The previous prime is 144404353. The next prime is 144404371. The reversal of 144404357 is 753404441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102232321 + 42172036 = 10111^2 + 6494^2 .

It is a cyclic number.

It is not a de Polignac number, because 144404357 - 2² = 144404353 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144404353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72202178 + 72202179.

It is an arithmetic number, because the mean of its divisors is an integer number (72202179).

Almost surely, 2^144404357 is an apocalyptic number.

It is an amenable number.

144404357 is a deficient number, since it is larger than the sum of its proper divisors (1).

144404357 is an equidigital number, since it uses as much as digits as its factorization.

144404357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 144404357 is about 12016.8363973219. The cubic root of 144404357 is about 524.6384291968.

Adding to 144404357 its reverse (753404441), we get a palindrome (897808798).

The spelling of 144404357 in words is "one hundred forty-four million, four hundred four thousand, three hundred fifty-seven".