8145541 has 2 divisors, whose sum is σ = 8145542. Its totient is φ = 8145540.

The previous prime is 8145479. The next prime is 8145563. The reversal of 8145541 is 1455418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8145316 + 225 = 2854^2 + 15^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8145541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8145581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4072770 + 4072771.

It is an arithmetic number, because the mean of its divisors is an integer number (4072771).

Almost surely, 2^8145541 is an apocalyptic number.

It is an amenable number.

8145541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8145541 is an equidigital number, since it uses as much as digits as its factorization.

8145541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 28.

The square root of 8145541 is about 2854.0394180880. The cubic root of 8145541 is about 201.2055601887.

The spelling of 8145541 in words is "eight million, one hundred forty-five thousand, five hundred forty-one".