100430242 has 24 divisors (see below), whose sum is σ = 166100508. Its totient is φ = 45508320.

The previous prime is 100430227. The next prime is 100430263. The reversal of 100430242 is 242034001.

It can be written as a sum of positive squares in 2 ways, for example, as 100420441 + 9801 = 10021^2 + 99^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148008 + ... + 148684.

Almost surely, 2^100430242 is an apocalyptic number.

100430242 is a deficient number, since it is larger than the sum of its proper divisors (65670266).

100430242 is a wasteful number, since it uses less digits than its factorization.

100430242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100430242 is about 10021.4890111201. The cubic root of 100430242 is about 464.8235997953.

Adding to 100430242 its reverse (242034001), we get a palindrome (342464243).

The spelling of 100430242 in words is "one hundred million, four hundred thirty thousand, two hundred forty-two".