448423156 has 18 divisors (see below), whose sum is σ = 790080018. Its totient is φ = 222689520.

The previous prime is 448423147. The next prime is 448423163. The reversal of 448423156 is 651324844.

It can be written as a sum of positive squares in only one way, i.e., 247747600 + 200675556 = 15740^2 + 14166^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569395 + ... + 570181.

Almost surely, 2^448423156 is an apocalyptic number.

It is an amenable number.

448423156 is a deficient number, since it is larger than the sum of its proper divisors (341656862).

448423156 is an equidigital number, since it uses as much as digits as its factorization.

448423156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 970 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 448423156 is about 21176.0042500940. The cubic root of 448423156 is about 765.4133104844.

The spelling of 448423156 in words is "four hundred forty-eight million, four hundred twenty-three thousand, one hundred fifty-six".