144442433 has 2 divisors, whose sum is σ = 144442434. Its totient is φ = 144442432.

The previous prime is 144442429. The next prime is 144442451. The reversal of 144442433 is 334244441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 28815424 = 10753^2 + 5368^2 .

It is a cyclic number.

It is not a de Polignac number, because 144442433 - 2² = 144442429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144442396 and 144442405.

It is not a weakly prime, because it can be changed into another prime (144442483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221216 + 72221217.

It is an arithmetic number, because the mean of its divisors is an integer number (72221217).

Almost surely, 2^144442433 is an apocalyptic number.

It is an amenable number.

144442433 is a deficient number, since it is larger than the sum of its proper divisors (1).

144442433 is an equidigital number, since it uses as much as digits as its factorization.

144442433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 29.

The square root of 144442433 is about 12018.4205701082. The cubic root of 144442433 is about 524.6845367099.

Adding to 144442433 its reverse (334244441), we get a palindrome (478686874).

The spelling of 144442433 in words is "one hundred forty-four million, four hundred forty-two thousand, four hundred thirty-three".