100555465 has 4 divisors (see below), whose sum is σ = 120666564. Its totient is φ = 80444368.

The previous prime is 100555453. The next prime is 100555489. The reversal of 100555465 is 564555001.

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 13897984 + 86657481 = 3728^2 + 9309^2 .

It is a cyclic number.

It is not a de Polignac number, because 100555465 - 2⁷ = 100555337 is a prime.

It is a super-2 number, since 2×100555465² = 20222803082732450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10055542 + ... + 10055551.

It is an arithmetic number, because the mean of its divisors is an integer number (30166641).

Almost surely, 2^100555465 is an apocalyptic number.

It is an amenable number.

100555465 is a deficient number, since it is larger than the sum of its proper divisors (20111099).

100555465 is an equidigital number, since it uses as much as digits as its factorization.

100555465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111098.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 100555465 is about 10027.7347890738. The cubic root of 100555465 is about 465.0167103873.

The spelling of 100555465 in words is "one hundred million, five hundred fifty-five thousand, four hundred sixty-five".