144803357 has 2 divisors, whose sum is σ = 144803358. Its totient is φ = 144803356.

The previous prime is 144803299. The next prime is 144803363. The reversal of 144803357 is 753308441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141824281 + 2979076 = 11909^2 + 1726^2 .

It is an emirp because it is prime and its reverse (753308441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144803357 - 2¹⁸ = 144541213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144803257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72401678 + 72401679.

It is an arithmetic number, because the mean of its divisors is an integer number (72401679).

Almost surely, 2^144803357 is an apocalyptic number.

It is an amenable number.

144803357 is a deficient number, since it is larger than the sum of its proper divisors (1).

144803357 is an equidigital number, since it uses as much as digits as its factorization.

144803357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 144803357 is about 12033.4266524544. The cubic root of 144803357 is about 525.1211898609.

The spelling of 144803357 in words is "one hundred forty-four million, eight hundred three thousand, three hundred fifty-seven".