146643042257 has 2 divisors, whose sum is σ = 146643042258. Its totient is φ = 146643042256.

The previous prime is 146643042233. The next prime is 146643042311. The reversal of 146643042257 is 752240346641.

146643042257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88199496256 + 58443546001 = 296984^2 + 241751^2 .

It is a cyclic number.

It is not a de Polignac number, because 146643042257 - 2⁶ = 146643042193 is a prime.

It is not a weakly prime, because it can be changed into another prime (146643042857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73321521128 + 73321521129.

It is an arithmetic number, because the mean of its divisors is an integer number (73321521129).

Almost surely, 2^146643042257 is an apocalyptic number.

It is an amenable number.

146643042257 is a deficient number, since it is larger than the sum of its proper divisors (1).

146643042257 is an equidigital number, since it uses as much as digits as its factorization.

146643042257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 44.

Adding to 146643042257 its reverse (752240346641), we get a palindrome (898883388898).

The spelling of 146643042257 in words is "one hundred forty-six billion, six hundred forty-three million, forty-two thousand, two hundred fifty-seven".