145448 has 8 divisors (see below), whose sum is σ = 272730. Its totient is φ = 72720.

The previous prime is 145441. The next prime is 145451. The reversal of 145448 is 844541.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 56644 = 298^2 + 238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145448.

It is not an unprimeable number, because it can be changed into a prime (145441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9083 + ... + 9098.

2¹⁴⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

145448 is a deficient number, since it is larger than the sum of its proper divisors (127282).

145448 is a wasteful number, since it uses less digits than its factorization.

145448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187 (or 18183 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 145448 is about 381.3764544384. The cubic root of 145448 is about 52.5899290140.

Adding to 145448 its reverse (844541), we get a palindrome (989989).

The spelling of 145448 in words is "one hundred forty-five thousand, four hundred forty-eight".