144350813 has 2 divisors, whose sum is σ = 144350814. Its totient is φ = 144350812.

The previous prime is 144350779. The next prime is 144350831. The reversal of 144350813 is 318053441.

Together with next prime (144350831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119530489 + 24820324 = 10933^2 + 4982^2 .

It is a cyclic number.

It is not a de Polignac number, because 144350813 - 2⁶ = 144350749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144350863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72175406 + 72175407.

It is an arithmetic number, because the mean of its divisors is an integer number (72175407).

Almost surely, 2^144350813 is an apocalyptic number.

It is an amenable number.

144350813 is a deficient number, since it is larger than the sum of its proper divisors (1).

144350813 is an equidigital number, since it uses as much as digits as its factorization.

144350813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 144350813 is about 12014.6083165453. The cubic root of 144350813 is about 524.5735772460.

The spelling of 144350813 in words is "one hundred forty-four million, three hundred fifty thousand, eight hundred thirteen".