144231433 has 2 divisors, whose sum is σ = 144231434. Its totient is φ = 144231432.

The previous prime is 144231431. The next prime is 144231443. The reversal of 144231433 is 334132441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138485824 + 5745609 = 11768^2 + 2397^2 .

It is a cyclic number.

It is not a de Polignac number, because 144231433 - 2¹ = 144231431 is a prime.

Together with 144231431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 144231398 and 144231407.

It is not a weakly prime, because it can be changed into another prime (144231431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72115716 + 72115717.

It is an arithmetic number, because the mean of its divisors is an integer number (72115717).

Almost surely, 2^144231433 is an apocalyptic number.

It is an amenable number.

144231433 is a deficient number, since it is larger than the sum of its proper divisors (1).

144231433 is an equidigital number, since it uses as much as digits as its factorization.

144231433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 144231433 is about 12009.6391702665. The cubic root of 144231433 is about 524.4289276390.

Adding to 144231433 its reverse (334132441), we get a palindrome (478363874).

The spelling of 144231433 in words is "one hundred forty-four million, two hundred thirty-one thousand, four hundred thirty-three".