100518285 has 16 divisors (see below), whose sum is σ = 183805056. Its totient is φ = 45951168.

The previous prime is 100518281. The next prime is 100518317. The reversal of 100518285 is 582815001.

It is not a de Polignac number, because 100518285 - 2² = 100518281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100518281) 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, 478554 + ... + 478763.

It is an arithmetic number, because the mean of its divisors is an integer number (11487816).

Almost surely, 2^100518285 is an apocalyptic number.

100518285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100518285 is a deficient number, since it is larger than the sum of its proper divisors (83286771).

100518285 is an equidigital number, since it uses as much as digits as its factorization.

100518285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957332.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 100518285 is about 10025.8807593149. The cubic root of 100518285 is about 464.9593906032.

It can be divided in two parts, 10051 and 8285, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 100518285 in words is "one hundred million, five hundred eighteen thousand, two hundred eighty-five".