100242158 has 8 divisors (see below), whose sum is σ = 155213760. Its totient is φ = 48504240.

The previous prime is 100242143. The next prime is 100242161. The reversal of 100242158 is 851242001.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 808343 + ... + 808466.

It is an arithmetic number, because the mean of its divisors is an integer number (19401720).

Almost surely, 2^100242158 is an apocalyptic number.

100242158 is a deficient number, since it is larger than the sum of its proper divisors (54971602).

100242158 is a wasteful number, since it uses less digits than its factorization.

100242158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616842.

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

The square root of 100242158 is about 10012.1005787996. The cubic root of 100242158 is about 464.5332472959.

Adding to 100242158 its reverse (851242001), we get a palindrome (951484159).

The spelling of 100242158 in words is "one hundred million, two hundred forty-two thousand, one hundred fifty-eight".