100340242 has 32 divisors (see below), whose sum is σ = 161846784. Its totient is φ = 46569600.

The previous prime is 100340153. The next prime is 100340249. The reversal of 100340242 is 242043001.

It is not an unprimeable number, because it can be changed into a prime (100340249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162318 + ... + 162934.

It is an arithmetic number, because the mean of its divisors is an integer number (5057712).

Almost surely, 2^100340242 is an apocalyptic number.

100340242 is a deficient number, since it is larger than the sum of its proper divisors (61506542).

100340242 is a wasteful number, since it uses less digits than its factorization.

100340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100340242 is about 10016.9976539879. The cubic root of 100340242 is about 464.6847086079.

Adding to 100340242 its reverse (242043001), we get a palindrome (342383243).

The spelling of 100340242 in words is "one hundred million, three hundred forty thousand, two hundred forty-two".