100245465 has 16 divisors (see below), whose sum is σ = 178214400. Its totient is φ = 53464176.

The previous prime is 100245401. The next prime is 100245473. The reversal of 100245465 is 564542001.

It is not a de Polignac number, because 100245465 - 2⁶ = 100245401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 371145 + ... + 371414.

It is an arithmetic number, because the mean of its divisors is an integer number (11138400).

Almost surely, 2^100245465 is an apocalyptic number.

100245465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100245465 is a deficient number, since it is larger than the sum of its proper divisors (77968935).

100245465 is an equidigital number, since it uses as much as digits as its factorization.

100245465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742573 (or 742567 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 100245465 is about 10012.2657275963. The cubic root of 100245465 is about 464.5383555743.

Adding to 100245465 its reverse (564542001), we get a palindrome (664787466).

The spelling of 100245465 in words is "one hundred million, two hundred forty-five thousand, four hundred sixty-five".