100543032 has 80 divisors (see below), whose sum is σ = 298211760. Its totient is φ = 31539456.

The previous prime is 100543019. The next prime is 100543039. The reversal of 100543032 is 230345001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100542996 and 100543014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100543039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6453 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (3727647).

Almost surely, 2^100543032 is an apocalyptic number.

100543032 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 100543032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149105880).

100543032 is an abundant number, since it is smaller than the sum of its proper divisors (197668728).

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

100543032 is a wasteful number, since it uses less digits than its factorization.

100543032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9162 (or 9149 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 100543032 is about 10027.1148392746. The cubic root of 100543032 is about 464.9975442118.

Adding to 100543032 its reverse (230345001), we get a palindrome (330888033).

The spelling of 100543032 in words is "one hundred million, five hundred forty-three thousand, thirty-two".