145663034393 has 2 divisors, whose sum is σ = 145663034394. Its totient is φ = 145663034392.

The previous prime is 145663034383. The next prime is 145663034449. The reversal of 145663034393 is 393430366541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142270787344 + 3392247049 = 377188^2 + 58243^2 .

It is a cyclic number.

It is not a de Polignac number, because 145663034393 - 2¹⁸ = 145662772249 is a prime.

It is not a weakly prime, because it can be changed into another prime (145663034333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72831517196 + 72831517197.

It is an arithmetic number, because the mean of its divisors is an integer number (72831517197).

Almost surely, 2^145663034393 is an apocalyptic number.

It is an amenable number.

145663034393 is a deficient number, since it is larger than the sum of its proper divisors (1).

145663034393 is an equidigital number, since it uses as much as digits as its factorization.

145663034393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 47.

The spelling of 145663034393 in words is "one hundred forty-five billion, six hundred sixty-three million, thirty-four thousand, three hundred ninety-three".