8545021141 has 2 divisors, whose sum is σ = 8545021142. Its totient is φ = 8545021140.

The previous prime is 8545021123. The next prime is 8545021223. The reversal of 8545021141 is 1411205458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6228524241 + 2316496900 = 78921^2 + 48130^2 .

It is a cyclic number.

It is not a de Polignac number, because 8545021141 - 2¹⁷ = 8544890069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8545022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272510570 + 4272510571.

It is an arithmetic number, because the mean of its divisors is an integer number (4272510571).

Almost surely, 2^8545021141 is an apocalyptic number.

It is an amenable number.

8545021141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8545021141 is an equidigital number, since it uses as much as digits as its factorization.

8545021141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 8545021141 is about 92439.2835378985. The cubic root of 8545021141 is about 2044.4243604707.

Adding to 8545021141 its reverse (1411205458), we get a palindrome (9956226599).

The spelling of 8545021141 in words is "eight billion, five hundred forty-five million, twenty-one thousand, one hundred forty-one".