100143612 has 36 divisors (see below), whose sum is σ = 261872520. Its totient is φ = 32229792.

The previous prime is 100143577. The next prime is 100143619. The reversal of 100143612 is 216341001.

It is a happy number.

100143612 is a `hidden beast` number, since 10 + 0 + 1 + 43 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100143619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46918 + ... + 49005.

Almost surely, 2^100143612 is an apocalyptic number.

100143612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100143612 is an abundant number, since it is smaller than the sum of its proper divisors (161728908).

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

100143612 is a wasteful number, since it uses less digits than its factorization.

100143612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95962 (or 95957 counting only the distinct ones).

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

The square root of 100143612 is about 10007.1780237987. The cubic root of 100143612 is about 464.3809730312.

Adding to 100143612 its reverse (216341001), we get a palindrome (316484613).

The spelling of 100143612 in words is "one hundred million, one hundred forty-three thousand, six hundred twelve".