100242518 has 8 divisors (see below), whose sum is σ = 158277720. Its totient is φ = 47483280.

The previous prime is 100242511. The next prime is 100242521. The reversal of 100242518 is 815242001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100242493 and 100242502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100242511) 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, 1318943 + ... + 1319018.

It is an arithmetic number, because the mean of its divisors is an integer number (19784715).

Almost surely, 2^100242518 is an apocalyptic number.

100242518 is a deficient number, since it is larger than the sum of its proper divisors (58035202).

100242518 is a wasteful number, since it uses less digits than its factorization.

100242518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637982.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 100242518 is about 10012.1185570288. The cubic root of 100242518 is about 464.5338033885.

Adding to 100242518 its reverse (815242001), we get a palindrome (915484519).

The spelling of 100242518 in words is "one hundred million, two hundred forty-two thousand, five hundred eighteen".