100045605 has 32 divisors (see below), whose sum is σ = 175472640. Its totient is φ = 48271680.

The previous prime is 100045597. The next prime is 100045613. The reversal of 100045605 is 506540001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100045597) and next prime (100045613).

It is not a de Polignac number, because 100045605 - 2³ = 100045597 is a prime.

It is a congruent number.

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, 35436 + ... + 38154.

It is an arithmetic number, because the mean of its divisors is an integer number (5483520).

Almost surely, 2^100045605 is an apocalyptic number.

100045605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100045605 is a deficient number, since it is larger than the sum of its proper divisors (75427035).

100045605 is a wasteful number, since it uses less digits than its factorization.

100045605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 100045605 is about 10002.2799900823. The cubic root of 100045605 is about 464.2294325240.

Adding to 100045605 its reverse (506540001), we get a palindrome (606585606).

The spelling of 100045605 in words is "one hundred million, forty-five thousand, six hundred five".