146541275549 has 2 divisors, whose sum is σ = 146541275550. Its totient is φ = 146541275548.

The previous prime is 146541275483. The next prime is 146541275581. The reversal of 146541275549 is 945572145641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113152849924 + 33388425625 = 336382^2 + 182725^2 .

It is an emirp because it is prime and its reverse (945572145641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146541275549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146541275549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146541275249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73270637774 + 73270637775.

It is an arithmetic number, because the mean of its divisors is an integer number (73270637775).

Almost surely, 2^146541275549 is an apocalyptic number.

It is an amenable number.

146541275549 is a deficient number, since it is larger than the sum of its proper divisors (1).

146541275549 is an equidigital number, since it uses as much as digits as its factorization.

146541275549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 53.

The spelling of 146541275549 in words is "one hundred forty-six billion, five hundred forty-one million, two hundred seventy-five thousand, five hundred forty-nine".