100545111 has 8 divisors (see below), whose sum is σ = 148955760. Its totient is φ = 67030056.

The previous prime is 100545101. The next prime is 100545119. The reversal of 100545111 is 111545001.

It is a happy number.

100545111 is a `hidden beast` number, since 10 + 0 + 545 + 111 = 666.

It is not a de Polignac number, because 100545111 - 2⁶ = 100545047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100545119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861920 + ... + 1861973.

It is an arithmetic number, because the mean of its divisors is an integer number (18619470).

Almost surely, 2^100545111 is an apocalyptic number.

100545111 is a deficient number, since it is larger than the sum of its proper divisors (48410649).

100545111 is an equidigital number, since it uses as much as digits as its factorization.

100545111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723902 (or 3723896 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 100545111 is about 10027.2185076421. The cubic root of 100545111 is about 465.0007492184. Note that the first 3 decimals are identical.

The spelling of 100545111 in words is "one hundred million, five hundred forty-five thousand, one hundred eleven".