100243332 has 96 divisors (see below), whose sum is σ = 300867840. Its totient is φ = 28623456.

The previous prime is 100243327. The next prime is 100243349. The reversal of 100243332 is 233342001.

It is a super-2 number, since 2×100243332² = 20097451220924448, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 60418 + ... + 62054.

It is an arithmetic number, because the mean of its divisors is an integer number (3134040).

Almost surely, 2^100243332 is an apocalyptic number.

100243332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100243332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150433920).

100243332 is an abundant number, since it is smaller than the sum of its proper divisors (200624508).

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

100243332 is an equidigital number, since it uses as much as digits as its factorization.

100243332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 100243332 is about 10012.1592076834. The cubic root of 100243332 is about 464.5350607707.

Adding to 100243332 its reverse (233342001), we get a palindrome (333585333).

The spelling of 100243332 in words is "one hundred million, two hundred forty-three thousand, three hundred thirty-two".