448157047 has 16 divisors (see below), whose sum is σ = 530127360. Its totient is φ = 374866272.

The previous prime is 448157027. The next prime is 448157063. The reversal of 448157047 is 740751844.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 448157047 - 2¹¹ = 448154999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448157027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33763 + ... + 45124.

It is an arithmetic number, because the mean of its divisors is an integer number (33132960).

Almost surely, 2^448157047 is an apocalyptic number.

448157047 is a deficient number, since it is larger than the sum of its proper divisors (81970313).

448157047 is a wasteful number, since it uses less digits than its factorization.

448157047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78942.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 448157047 is about 21169.7200501093. The cubic root of 448157047 is about 765.2618734084.

The spelling of 448157047 in words is "four hundred forty-eight million, one hundred fifty-seven thousand, forty-seven".