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148305 = 359887
BaseRepresentation
bin100100001101010001
321112102210
4210031101
514221210
63102333
71155243
oct441521
9245383
10148305
11a1473
12719a9
1352671
143c093
152de20
hex24351

148305 has 8 divisors (see below), whose sum is σ = 237312. Its totient is φ = 79088.

The previous prime is 148303. The next prime is 148331. The reversal of 148305 is 503841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148305 - 21 = 148303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148301) 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 7 ways as a sum of consecutive naturals, for example, 4929 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (29664).

2148305 is an apocalyptic number.

148305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148305 is a deficient number, since it is larger than the sum of its proper divisors (89007).

148305 is an equidigital number, since it uses as much as digits as its factorization.

148305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 148305 is about 385.1038820890. The cubic root of 148305 is about 52.9320358220.

Adding to 148305 its product of nonzero digits (480), we get a triangular number (148785 = T545).

The spelling of 148305 in words is "one hundred forty-eight thousand, three hundred five".

Divisors: 1 3 5 15 9887 29661 49435 148305