145548 has 36 divisors (see below), whose sum is σ = 397488. Its totient is φ = 44640.

The previous prime is 145547. The next prime is 145549. The reversal of 145548 is 845541.

It is an interprime number because it is at equal distance from previous prime (145547) and next prime (145549).

It is a tau number, because it is divible by the number of its divisors (36).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (145543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313 + ... + 623.

2¹⁴⁵⁵⁴⁸ is an apocalyptic number.

145548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198744).

145548 is an abundant number, since it is smaller than the sum of its proper divisors (251940).

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

145548 is a wasteful number, since it uses less digits than its factorization.

145548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 329 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 145548 is about 381.5075359675. The cubic root of 145548 is about 52.6019786540.

The spelling of 145548 in words is "one hundred forty-five thousand, five hundred forty-eight".