100442442 has 16 divisors (see below), whose sum is σ = 201072960. Its totient is φ = 33449472.

The previous prime is 100442437. The next prime is 100442467. The reversal of 100442442 is 244244001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 14177.

It is an arithmetic number, because the mean of its divisors is an integer number (12567060).

Almost surely, 2^100442442 is an apocalyptic number.

100442442 is an abundant number, since it is smaller than the sum of its proper divisors (100630518).

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

100442442 is a wasteful number, since it uses less digits than its factorization.

100442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15677.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 100442442 is about 10022.0976846167. The cubic root of 100442442 is about 464.8424208801.

Adding to 100442442 its reverse (244244001), we get a palindrome (344686443).

The spelling of 100442442 in words is "one hundred million, four hundred forty-two thousand, four hundred forty-two".