448147156 has 6 divisors (see below), whose sum is σ = 784257530. Its totient is φ = 224073576.

The previous prime is 448147153. The next prime is 448147159. The reversal of 448147156 is 651741844.

It is an interprime number because it is at equal distance from previous prime (448147153) and next prime (448147159).

It can be written as a sum of positive squares in only one way, i.e., 378691600 + 69455556 = 19460^2 + 8334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448147153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56018391 + ... + 56018398.

Almost surely, 2^448147156 is an apocalyptic number.

It is an amenable number.

448147156 is a deficient number, since it is larger than the sum of its proper divisors (336110374).

448147156 is a wasteful number, since it uses less digits than its factorization.

448147156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112036793 (or 112036791 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 448147156 is about 21169.4864368506. The cubic root of 448147156 is about 765.2562434914.

The spelling of 448147156 in words is "four hundred forty-eight million, one hundred forty-seven thousand, one hundred fifty-six".