448901457 has 4 divisors (see below), whose sum is σ = 598535280. Its totient is φ = 299267636.

The previous prime is 448901449. The next prime is 448901459. The reversal of 448901457 is 754109844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448901457 - 2³ = 448901449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448901459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74816907 + ... + 74816912.

It is an arithmetic number, because the mean of its divisors is an integer number (149633820).

Almost surely, 2^448901457 is an apocalyptic number.

It is an amenable number.

448901457 is a deficient number, since it is larger than the sum of its proper divisors (149633823).

448901457 is a wasteful number, since it uses less digits than its factorization.

448901457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149633822.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 448901457 is about 21187.2947069700. The cubic root of 448901457 is about 765.6853510488.

The spelling of 448901457 in words is "four hundred forty-eight million, nine hundred one thousand, four hundred fifty-seven".