144423533 has 2 divisors, whose sum is σ = 144423534. Its totient is φ = 144423532.

The previous prime is 144423523. The next prime is 144423581. The reversal of 144423533 is 335324441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 19386409 = 11182^2 + 4403^2 .

It is a cyclic number.

It is not a de Polignac number, because 144423533 - 2¹⁴ = 144407149 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144423496 and 144423505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144423523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72211766 + 72211767.

It is an arithmetic number, because the mean of its divisors is an integer number (72211767).

Almost surely, 2^144423533 is an apocalyptic number.

It is an amenable number.

144423533 is a deficient number, since it is larger than the sum of its proper divisors (1).

144423533 is an equidigital number, since it uses as much as digits as its factorization.

144423533 is an evil number, because the sum of its binary digits is even.

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

The square root of 144423533 is about 12017.6342513824. The cubic root of 144423533 is about 524.6616510751.

Adding to 144423533 its reverse (335324441), we get a palindrome (479747974).

The spelling of 144423533 in words is "one hundred forty-four million, four hundred twenty-three thousand, five hundred thirty-three".