144323453 has 2 divisors, whose sum is σ = 144323454. Its totient is φ = 144323452.

The previous prime is 144323447. The next prime is 144323479. The reversal of 144323453 is 354323441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142730809 + 1592644 = 11947^2 + 1262^2 .

It is a cyclic number.

It is not a de Polignac number, because 144323453 - 2¹⁴ = 144307069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_8142680 and since 144323453 and 8142680 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144323423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72161726 + 72161727.

It is an arithmetic number, because the mean of its divisors is an integer number (72161727).

Almost surely, 2^144323453 is an apocalyptic number.

It is an amenable number.

144323453 is a deficient number, since it is larger than the sum of its proper divisors (1).

144323453 is an equidigital number, since it uses as much as digits as its factorization.

144323453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 144323453 is about 12013.4696486902. The cubic root of 144323453 is about 524.5404328998.

Adding to 144323453 its reverse (354323441), we get a palindrome (498646894).

The spelling of 144323453 in words is "one hundred forty-four million, three hundred twenty-three thousand, four hundred fifty-three".