545810141 has 2 divisors, whose sum is σ = 545810142. Its totient is φ = 545810140.

The previous prime is 545810113. The next prime is 545810147. The reversal of 545810141 is 141018545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354568900 + 191241241 = 18830^2 + 13829^2 .

It is a cyclic number.

It is not a de Polignac number, because 545810141 - 2⁶ = 545810077 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545810147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272905070 + 272905071.

It is an arithmetic number, because the mean of its divisors is an integer number (272905071).

Almost surely, 2^545810141 is an apocalyptic number.

It is an amenable number.

545810141 is a deficient number, since it is larger than the sum of its proper divisors (1).

545810141 is an equidigital number, since it uses as much as digits as its factorization.

545810141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 545810141 is about 23362.5799303074. The cubic root of 545810141 is about 817.2354556180.

Adding to 545810141 its reverse (141018545), we get a palindrome (686828686).

The spelling of 545810141 in words is "five hundred forty-five million, eight hundred ten thousand, one hundred forty-one".