100545100 has 36 divisors (see below), whose sum is σ = 218751624. Its totient is φ = 40113280.

The previous prime is 100545097. The next prime is 100545101. The reversal of 100545100 is 1545001.

It is a happy number.

100545100 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

100545100 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100545101) 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, 45624 + ... + 47776.

It is an arithmetic number, because the mean of its divisors is an integer number (6076434).

Almost surely, 2^100545100 is an apocalyptic number.

100545100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100545100 is an abundant number, since it is smaller than the sum of its proper divisors (118206524).

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

100545100 is a wasteful number, since it uses less digits than its factorization.

100545100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 100545100 is about 10027.2179591350. The cubic root of 100545100 is about 465.0007322608. Note that the first 3 decimals are identical.

Subtracting from 100545100 its reverse (1545001), we obtain a palindrome (99000099).

The spelling of 100545100 in words is "one hundred million, five hundred forty-five thousand, one hundred".