100145112 has 32 divisors (see below), whose sum is σ = 250614000. Its totient is φ = 33348224.

The previous prime is 100145107. The next prime is 100145117. The reversal of 100145112 is 211541001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100145107) and next prime (100145117).

It is a junction number, because it is equal to n+sod(n) for n = 100145091 and 100145100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100145117) 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, 38014 + ... + 40562.

Almost surely, 2^100145112 is an apocalyptic number.

100145112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100145112 is an abundant number, since it is smaller than the sum of its proper divisors (150468888).

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

100145112 is a wasteful number, since it uses less digits than its factorization.

100145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195 (or 4191 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 100145112 is about 10007.2529697215. The cubic root of 100145112 is about 464.3832915948.

Adding to 100145112 its reverse (211541001), we get a palindrome (311686113).

The spelling of 100145112 in words is "one hundred million, one hundred forty-five thousand, one hundred twelve".