145048 has 8 divisors (see below), whose sum is σ = 271980. Its totient is φ = 72520.

The previous prime is 145043. The next prime is 145063. The reversal of 145048 is 840541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9058 + ... + 9073.

2¹⁴⁵⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

145048 is a deficient number, since it is larger than the sum of its proper divisors (126932).

145048 is a wasteful number, since it uses less digits than its factorization.

145048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18137 (or 18133 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 145048 is about 380.8516771658. The cubic root of 145048 is about 52.5416751479.

Adding to 145048 its reverse (840541), we get a palindrome (985589).

The spelling of 145048 in words is "one hundred forty-five thousand, forty-eight".