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145528 = 2318191
BaseRepresentation
bin100011100001111000
321101121221
4203201320
514124103
63041424
71144165
oct434170
9241557
10145528
119a379
1270274
1351316
143b06c
152d1bd
hex23878

145528 has 8 divisors (see below), whose sum is σ = 272880. Its totient is φ = 72760.

The previous prime is 145517. The next prime is 145531. The reversal of 145528 is 825541.

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

It is a congruent number.

It is an unprimeable number.

145528 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, 9088 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (34110).

2145528 is an apocalyptic number.

It is an amenable number.

145528 is a deficient number, since it is larger than the sum of its proper divisors (127352).

145528 is a wasteful number, since it uses less digits than its factorization.

145528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18197 (or 18193 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 145528 is about 381.4813232650. The cubic root of 145528 is about 52.5995691676.

The spelling of 145528 in words is "one hundred forty-five thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 18191 36382 72764 145528