144637433 has 2 divisors, whose sum is σ = 144637434. Its totient is φ = 144637432.

The previous prime is 144637421. The next prime is 144637439. The reversal of 144637433 is 334736441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123587689 + 21049744 = 11117^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 144637433 - 2⁴ = 144637417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144637393 and 144637402.

It is not a weakly prime, because it can be changed into another prime (144637439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72318716 + 72318717.

It is an arithmetic number, because the mean of its divisors is an integer number (72318717).

Almost surely, 2^144637433 is an apocalyptic number.

It is an amenable number.

144637433 is a deficient number, since it is larger than the sum of its proper divisors (1).

144637433 is an equidigital number, since it uses as much as digits as its factorization.

144637433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 35.

The square root of 144637433 is about 12026.5303807873. The cubic root of 144637433 is about 524.9205418674.

The spelling of 144637433 in words is "one hundred forty-four million, six hundred thirty-seven thousand, four hundred thirty-three".