100243116 has 24 divisors (see below), whose sum is σ = 259889840. Its totient is φ = 33414336.

The previous prime is 100243079. The next prime is 100243139. The reversal of 100243116 is 611342001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 463981 + ... + 464196.

Almost surely, 2^100243116 is an apocalyptic number.

It is an amenable number.

100243116 is an abundant number, since it is smaller than the sum of its proper divisors (159646724).

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

100243116 is a wasteful number, since it uses less digits than its factorization.

100243116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928190 (or 928182 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100243116 is about 10012.1484207936. The cubic root of 100243116 is about 464.5347271172.

Adding to 100243116 its reverse (611342001), we get a palindrome (711585117).

The spelling of 100243116 in words is "one hundred million, two hundred forty-three thousand, one hundred sixteen".