145966819853 has 2 divisors, whose sum is σ = 145966819854. Its totient is φ = 145966819852.

The previous prime is 145966819849. The next prime is 145966819903. The reversal of 145966819853 is 358918669541.

145966819853 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., 129339491044 + 16627328809 = 359638^2 + 128947^2 .

It is a cyclic number.

It is not a de Polignac number, because 145966819853 - 2² = 145966819849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145966819853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145966819813) 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, 72983409926 + 72983409927.

It is an arithmetic number, because the mean of its divisors is an integer number (72983409927).

Almost surely, 2^145966819853 is an apocalyptic number.

It is an amenable number.

145966819853 is a deficient number, since it is larger than the sum of its proper divisors (1).

145966819853 is an equidigital number, since it uses as much as digits as its factorization.

145966819853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55987200, while the sum is 65.

The spelling of 145966819853 in words is "one hundred forty-five billion, nine hundred sixty-six million, eight hundred nineteen thousand, eight hundred fifty-three".