146945021441 has 2 divisors, whose sum is σ = 146945021442. Its totient is φ = 146945021440.

The previous prime is 146945021417. The next prime is 146945021491. The reversal of 146945021441 is 144120549641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141016021441 + 5929000000 = 375521^2 + 77000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146945021441 is a prime.

It is not a weakly prime, because it can be changed into another prime (146945021491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73472510720 + 73472510721.

It is an arithmetic number, because the mean of its divisors is an integer number (73472510721).

Almost surely, 2^146945021441 is an apocalyptic number.

It is an amenable number.

146945021441 is a deficient number, since it is larger than the sum of its proper divisors (1).

146945021441 is an equidigital number, since it uses as much as digits as its factorization.

146945021441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 146945021441 in words is "one hundred forty-six billion, nine hundred forty-five million, twenty-one thousand, four hundred forty-one".