104520143 has 16 divisors (see below), whose sum is σ = 131636736. Its totient is φ = 80771040.

The previous prime is 104520137. The next prime is 104520161. The reversal of 104520143 is 341025401.

It is not a de Polignac number, because 104520143 - 2¹⁸ = 104257999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104520113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9443 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (8227296).

Almost surely, 2^104520143 is an apocalyptic number.

104520143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104520143 is a deficient number, since it is larger than the sum of its proper divisors (27116593).

104520143 is a wasteful number, since it uses less digits than its factorization.

104520143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26774.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 104520143 is about 10223.5093289927. The cubic root of 104520143 is about 471.0496279163.

Adding to 104520143 its reverse (341025401), we get a palindrome (445545544).

The spelling of 104520143 in words is "one hundred four million, five hundred twenty thousand, one hundred forty-three".