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144925 = 52111731
BaseRepresentation
bin100011011000011101
321100210121
4203120131
514114200
63034541
71142344
oct433035
9240717
10144925
1199980
126ba51
1350c71
143ab5b
152ce1a
hex2361d

144925 has 24 divisors (see below), whose sum is σ = 214272. Its totient is φ = 96000.

The previous prime is 144917. The next prime is 144931. The reversal of 144925 is 529441.

144925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144925 - 23 = 144917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 144925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4660 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (8928).

2144925 is an apocalyptic number.

It is an amenable number.

144925 is a deficient number, since it is larger than the sum of its proper divisors (69347).

144925 is a wasteful number, since it uses less digits than its factorization.

144925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 64 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 144925 is about 380.6901627308. The cubic root of 144925 is about 52.5268192526.

The spelling of 144925 in words is "one hundred forty-four thousand, nine hundred twenty-five".

Divisors: 1 5 11 17 25 31 55 85 155 187 275 341 425 527 775 935 1705 2635 4675 5797 8525 13175 28985 144925