9145448 has 32 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 4128960.

The previous prime is 9145447. The next prime is 9145457. The reversal of 9145448 is 8445419.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9145447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953 + ... + 5823.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^9145448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9145448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9434880).

9145448 is an abundant number, since it is smaller than the sum of its proper divisors (9724312).

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

9145448 is a wasteful number, since it uses less digits than its factorization.

9145448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1933 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 9145448 is about 3024.1441764572. The cubic root of 9145448 is about 209.1229331027.

The spelling of 9145448 in words is "nine million, one hundred forty-five thousand, four hundred forty-eight".