100448461 has 4 divisors (see below), whose sum is σ = 106357212. Its totient is φ = 94539712.

The previous prime is 100448441. The next prime is 100448531. The reversal of 100448461 is 164844001.

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 85285225 + 15163236 = 9235^2 + 3894^2 .

It is a cyclic number.

It is not a de Polignac number, because 100448461 - 2⁷ = 100448333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100448441) by changing a digit.

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, 2954350 + ... + 2954383.

It is an arithmetic number, because the mean of its divisors is an integer number (26589303).

Almost surely, 2^100448461 is an apocalyptic number.

It is an amenable number.

100448461 is a deficient number, since it is larger than the sum of its proper divisors (5908751).

100448461 is an equidigital number, since it uses as much as digits as its factorization.

100448461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908750.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 100448461 is about 10022.3979665547. The cubic root of 100448461 is about 464.8517059014.

The spelling of 100448461 in words is "one hundred million, four hundred forty-eight thousand, four hundred sixty-one".