104161543 has 2 divisors, whose sum is σ = 104161544. Its totient is φ = 104161542.

The previous prime is 104161537. The next prime is 104161559. The reversal of 104161543 is 345161401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104161543 - 2¹⁷ = 104030471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104161513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52080771 + 52080772.

It is an arithmetic number, because the mean of its divisors is an integer number (52080772).

Almost surely, 2^104161543 is an apocalyptic number.

104161543 is a deficient number, since it is larger than the sum of its proper divisors (1).

104161543 is an equidigital number, since it uses as much as digits as its factorization.

104161543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 104161543 is about 10205.9562511310. The cubic root of 104161543 is about 470.5102998261.

The spelling of 104161543 in words is "one hundred four million, one hundred sixty-one thousand, five hundred forty-three".