100240142 has 8 divisors (see below), whose sum is σ = 151356432. Its totient is φ = 49788000.

The previous prime is 100240139. The next prime is 100240159. The reversal of 100240142 is 241042001.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165659 + ... + 166262.

It is an arithmetic number, because the mean of its divisors is an integer number (18919554).

Almost surely, 2^100240142 is an apocalyptic number.

100240142 is a deficient number, since it is larger than the sum of its proper divisors (51116290).

100240142 is a wasteful number, since it uses less digits than its factorization.

100240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332074.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100240142 is about 10011.9999001199. Note that the first 4 decimals coincide. The cubic root of 100240142 is about 464.5301331527.

Adding to 100240142 its reverse (241042001), we get a palindrome (341282143).

The spelling of 100240142 in words is "one hundred million, two hundred forty thousand, one hundred forty-two".