100143492 has 12 divisors (see below), whose sum is σ = 233668176. Its totient is φ = 33381160.

The previous prime is 100143469. The next prime is 100143503. The reversal of 100143492 is 294341001.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172634 + ... + 4172657.

It is an arithmetic number, because the mean of its divisors is an integer number (19472348).

Almost surely, 2^100143492 is an apocalyptic number.

100143492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100143492 is an abundant number, since it is smaller than the sum of its proper divisors (133524684).

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

100143492 is a wasteful number, since it uses less digits than its factorization.

100143492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345298 (or 8345296 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 100143492 is about 10007.1720281006. The cubic root of 100143492 is about 464.3807875452.

Adding to 100143492 its reverse (294341001), we get a palindrome (394484493).

The spelling of 100143492 in words is "one hundred million, one hundred forty-three thousand, four hundred ninety-two".