100442242 has 8 divisors (see below), whose sum is σ = 157214016. Its totient is φ = 48037572.

The previous prime is 100442207. The next prime is 100442269. The reversal of 100442242 is 242244001.

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

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, 1091718 + ... + 1091809.

It is an arithmetic number, because the mean of its divisors is an integer number (19651752).

Almost surely, 2^100442242 is an apocalyptic number.

100442242 is a deficient number, since it is larger than the sum of its proper divisors (56771774).

100442242 is a wasteful number, since it uses less digits than its factorization.

100442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183552.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 100442242 is about 10022.0877066607. The cubic root of 100442242 is about 464.8421123500.

Adding to 100442242 its reverse (242244001), we get a palindrome (342686243).

The spelling of 100442242 in words is "one hundred million, four hundred forty-two thousand, two hundred forty-two".