100305442 has 8 divisors (see below), whose sum is σ = 150768576. Its totient is φ = 50049252.

The previous prime is 100305437. The next prime is 100305451. The reversal of 100305442 is 244503001.

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

It is a super-2 number, since 2×100305442² = 20122363389630728, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50518 + ... + 52465.

It is an arithmetic number, because the mean of its divisors is an integer number (18846072).

Almost surely, 2^100305442 is an apocalyptic number.

100305442 is a deficient number, since it is larger than the sum of its proper divisors (50463134).

100305442 is a wasteful number, since it uses less digits than its factorization.

100305442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103472.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 100305442 is about 10015.2604559242. The cubic root of 100305442 is about 464.6309817503.

Adding to 100305442 its reverse (244503001), we get a palindrome (344808443).

The spelling of 100305442 in words is "one hundred million, three hundred five thousand, four hundred forty-two".