100345112 has 32 divisors (see below), whose sum is σ = 219088800. Its totient is φ = 42192384.

The previous prime is 100345057. The next prime is 100345117. The reversal of 100345112 is 211543001.

It is a super-3 number, since 3×100345112³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100345117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13937 + ... + 19872.

It is an arithmetic number, because the mean of its divisors is an integer number (6846525).

Almost surely, 2^100345112 is an apocalyptic number.

It is an amenable number.

100345112 is an abundant number, since it is smaller than the sum of its proper divisors (118743688).

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

100345112 is a wasteful number, since it uses less digits than its factorization.

100345112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33875 (or 33871 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100345112 is about 10017.2407378479. The cubic root of 100345112 is about 464.6922262894.

Adding to 100345112 its reverse (211543001), we get a palindrome (311888113).

The spelling of 100345112 in words is "one hundred million, three hundred forty-five thousand, one hundred twelve".