100452005 has 4 divisors (see below), whose sum is σ = 120542412. Its totient is φ = 80361600.

The previous prime is 100451987. The next prime is 100452041. The reversal of 100452005 is 500254001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26388769 + 74063236 = 5137^2 + 8606^2 .

It is not a de Polignac number, because 100452005 - 2⁶ = 100451941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10045196 + ... + 10045205.

It is an arithmetic number, because the mean of its divisors is an integer number (30135603).

Almost surely, 2^100452005 is an apocalyptic number.

It is an amenable number.

100452005 is a deficient number, since it is larger than the sum of its proper divisors (20090407).

100452005 is an equidigital number, since it uses as much as digits as its factorization.

100452005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20090406.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 100452005 is about 10022.5747689903. The cubic root of 100452005 is about 464.8571727683.

The spelling of 100452005 in words is "one hundred million, four hundred fifty-two thousand, five".