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144808 = 2323787
BaseRepresentation
bin100011010110101000
321100122021
4203112220
514113213
63034224
71142116
oct432650
9240567
10144808
1199884
126b974
1350bb1
143aab6
152cd8d
hex235a8

144808 has 16 divisors (see below), whose sum is σ = 283680. Its totient is φ = 69168.

The previous prime is 144791. The next prime is 144817. The reversal of 144808 is 808441.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (17730).

2144808 is an apocalyptic number.

It is an amenable number.

144808 is a deficient number, since it is larger than the sum of its proper divisors (138872).

144808 is a wasteful number, since it uses less digits than its factorization.

144808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 144808 is about 380.5364634302. The cubic root of 144808 is about 52.5126802327.

The spelling of 144808 in words is "one hundred forty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 23 46 92 184 787 1574 3148 6296 18101 36202 72404 144808