144818302493 has 2 divisors, whose sum is σ = 144818302494. Its totient is φ = 144818302492.

The previous prime is 144818302483. The next prime is 144818302523. The reversal of 144818302493 is 394203818441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93549116164 + 51269186329 = 305858^2 + 226427^2 .

It is a cyclic number.

It is not a de Polignac number, because 144818302493 - 2⁶ = 144818302429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144818302403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72409151246 + 72409151247.

It is an arithmetic number, because the mean of its divisors is an integer number (72409151247).

Almost surely, 2^144818302493 is an apocalyptic number.

It is an amenable number.

144818302493 is a deficient number, since it is larger than the sum of its proper divisors (1).

144818302493 is an equidigital number, since it uses as much as digits as its factorization.

144818302493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 144818302493 in words is "one hundred forty-four billion, eight hundred eighteen million, three hundred two thousand, four hundred ninety-three".