100465 has 8 divisors (see below), whose sum is σ = 122688. Its totient is φ = 78960.

The previous prime is 100459. The next prime is 100469. The reversal of 100465 is 564001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100465 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (15336).

2¹⁰⁰⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

100465 is a deficient number, since it is larger than the sum of its proper divisors (22223).

100465 is an equidigital number, since it uses as much as digits as its factorization.

100465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100465 is about 316.9621428499. The cubic root of 100465 is about 46.4877217361.

Adding to 100465 its reverse (564001), we get a palindrome (664466).

It can be divided in two parts, 100 and 465, that added together give a palindrome (565).

The spelling of 100465 in words is "one hundred thousand, four hundred sixty-five".