448451148 has 48 divisors (see below), whose sum is σ = 1149361920. Its totient is φ = 135457344.

The previous prime is 448451147. The next prime is 448451149. The reversal of 448451148 is 841154844.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (448451147) and next prime (448451149).

It is a super-2 number, since 2×448451148² = 402216864285035808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448451147) 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, 37515 + ... + 48002.

It is an arithmetic number, because the mean of its divisors is an integer number (23945040).

Almost surely, 2^448451148 is an apocalyptic number.

It is an amenable number.

448451148 is an abundant number, since it is smaller than the sum of its proper divisors (700910772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448451148 is a wasteful number, since it uses less digits than its factorization.

448451148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85566 (or 85564 counting only the distinct ones).

The product of its digits is 81920, while the sum is 39.

The square root of 448451148 is about 21176.6651765570. The cubic root of 448451148 is about 765.4292366643.

The spelling of 448451148 in words is "four hundred forty-eight million, four hundred fifty-one thousand, one hundred forty-eight".