100041543 has 12 divisors (see below), whose sum is σ = 165148048. Its totient is φ = 57166560.

The previous prime is 100041533. The next prime is 100041551. The reversal of 100041543 is 345140001.

It is a happy number.

It is not a de Polignac number, because 100041543 - 2⁴ = 100041527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100041533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793918 + ... + 794043.

Almost surely, 2^100041543 is an apocalyptic number.

100041543 is a deficient number, since it is larger than the sum of its proper divisors (65106505).

100041543 is a wasteful number, since it uses less digits than its factorization.

100041543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587974 (or 1587971 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100041543 is about 10002.0769343172. The cubic root of 100041543 is about 464.2231496377.

Adding to 100041543 its reverse (345140001), we get a palindrome (445181544).

The spelling of 100041543 in words is "one hundred million, forty-one thousand, five hundred forty-three".