100845406 has 16 divisors (see below), whose sum is σ = 155193984. Its totient is φ = 49120344.

The previous prime is 100845401. The next prime is 100845419. The reversal of 100845406 is 604548001.

It is a super-2 number, since 2×100845406² = 20339591822609672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100845401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36775 + ... + 39421.

It is an arithmetic number, because the mean of its divisors is an integer number (9699624).

Almost surely, 2^100845406 is an apocalyptic number.

100845406 is a deficient number, since it is larger than the sum of its proper divisors (54348578).

100845406 is a wasteful number, since it uses less digits than its factorization.

100845406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 100845406 is about 10042.1813367415. The cubic root of 100845406 is about 465.4632235972.

The spelling of 100845406 in words is "one hundred million, eight hundred forty-five thousand, four hundred six".