104545543 has 4 divisors (see below), whose sum is σ = 110047960. Its totient is φ = 99043128.

The previous prime is 104545537. The next prime is 104545549. The reversal of 104545543 is 345545401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345545401 = 2221 ⋅155581.

It is an interprime number because it is at equal distance from previous prime (104545537) and next prime (104545549).

It is a cyclic number.

It is not a de Polignac number, because 104545543 - 2⁹ = 104545031 is a prime.

It is a super-2 number, since 2×104545543² = 21859541122329698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104545549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751180 + ... + 2751217.

It is an arithmetic number, because the mean of its divisors is an integer number (27511990).

Almost surely, 2^104545543 is an apocalyptic number.

104545543 is a deficient number, since it is larger than the sum of its proper divisors (5502417).

104545543 is an equidigital number, since it uses as much as digits as its factorization.

104545543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502416.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 104545543 is about 10224.7514884226. The cubic root of 104545543 is about 471.0877822572.

The spelling of 104545543 in words is "one hundred four million, five hundred forty-five thousand, five hundred forty-three".