100449965 has 24 divisors (see below), whose sum is σ = 151428480. Its totient is φ = 62615520.

The previous prime is 100449917. The next prime is 100450043. The reversal of 100449965 is 569944001.

It is not a de Polignac number, because 100449965 - 2¹⁰ = 100448941 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7625 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (6309520).

Almost surely, 2^100449965 is an apocalyptic number.

It is an amenable number.

100449965 is a deficient number, since it is larger than the sum of its proper divisors (50978515).

100449965 is a wasteful number, since it uses less digits than its factorization.

100449965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23753 (or 23742 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 100449965 is about 10022.4729982176. The cubic root of 100449965 is about 464.8540259419.

The spelling of 100449965 in words is "one hundred million, four hundred forty-nine thousand, nine hundred sixty-five".