145648 has 10 divisors (see below), whose sum is σ = 282224. Its totient is φ = 72816.
The previous prime is 145643. The next prime is 145661. The reversal of 145648 is 846541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145643) by changing a digit.
145648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4536 + ... + 4567.
2145648 is an apocalyptic number.
It is an amenable number.
145648 is a deficient number, since it is larger than the sum of its proper divisors (136576).
145648 is an equidigital number, since it uses as much as digits as its factorization.
145648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9111 (or 9105 counting only the distinct ones).
The product of its digits is 3840, while the sum is 28.
The square root of 145648 is about 381.6385724740. The cubic root of 145648 is about 52.6140227761.
The spelling of 145648 in words is "one hundred forty-five thousand, six hundred forty-eight".
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