100044642 has 8 divisors (see below), whose sum is σ = 200089296. Its totient is φ = 33348212.

The previous prime is 100044613. The next prime is 100044647. The reversal of 100044642 is 246440001.

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

100044642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (100044647) 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, 8337048 + ... + 8337059.

It is an arithmetic number, because the mean of its divisors is an integer number (25011162).

Almost surely, 2^100044642 is an apocalyptic number.

100044642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100044642 is a wasteful number, since it uses less digits than its factorization.

100044642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674112.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 100044642 is about 10002.2318509421. The cubic root of 100044642 is about 464.2279430220.

Adding to 100044642 its reverse (246440001), we get a palindrome (346484643).

The spelling of 100044642 in words is "one hundred million, forty-four thousand, six hundred forty-two".