104990543 has 4 divisors (see below), whose sum is σ = 119989200. Its totient is φ = 89991888.

The previous prime is 104990533. The next prime is 104990581. The reversal of 104990543 is 345099401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104990543 - 2⁸ = 104990287 is a prime.

It is a super-2 number, since 2×104990543² = 22046028238869698, 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 (104990503) 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, 7499318 + ... + 7499331.

It is an arithmetic number, because the mean of its divisors is an integer number (29997300).

Almost surely, 2^104990543 is an apocalyptic number.

104990543 is a deficient number, since it is larger than the sum of its proper divisors (14998657).

104990543 is an equidigital number, since it uses as much as digits as its factorization.

104990543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14998656.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 104990543 is about 10246.4893012192. The cubic root of 104990543 is about 471.7552340407.

The spelling of 104990543 in words is "one hundred four million, nine hundred ninety thousand, five hundred forty-three".