144797801 has 2 divisors, whose sum is σ = 144797802. Its totient is φ = 144797800.

The previous prime is 144797777. The next prime is 144797831. The reversal of 144797801 is 108797441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114811225 + 29986576 = 10715^2 + 5476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144797801 is a prime.

It is not a weakly prime, because it can be changed into another prime (144797831) 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, 72398900 + 72398901.

It is an arithmetic number, because the mean of its divisors is an integer number (72398901).

Almost surely, 2^144797801 is an apocalyptic number.

It is an amenable number.

144797801 is a deficient number, since it is larger than the sum of its proper divisors (1).

144797801 is an equidigital number, since it uses as much as digits as its factorization.

144797801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 144797801 is about 12033.1957933045. The cubic root of 144797801 is about 525.1144736017.

The spelling of 144797801 in words is "one hundred forty-four million, seven hundred ninety-seven thousand, eight hundred one".