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144045662605 = 5136136329297
BaseRepresentation
bin1000011000100111001…
…0100110000110001101
3111202210210022211111221
42012021302212012031
54330001142200410
6150101302243341
713256404634005
oct2061162460615
9452723284457
10144045662605
11560a9026359
1223b00726551
1310777ab07b0
146d86a6b005
153b30eb64da
hex2189ca618d

144045662605 has 16 divisors (see below), whose sum is σ = 189202983984. Its totient is φ = 104628372480.

The previous prime is 144045662581. The next prime is 144045662611. The reversal of 144045662605 is 506266540441.

It can be written as a sum of positive squares in 8 ways, for example, as 60410757796 + 83634904809 = 245786^2 + 289197^2 .

It is a de Polignac number, because none of the positive numbers 2k-144045662605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18160684 + ... + 18168613.

It is an arithmetic number, because the mean of its divisors is an integer number (11825186499).

Almost surely, 2144045662605 is an apocalyptic number.

It is an amenable number.

144045662605 is a deficient number, since it is larger than the sum of its proper divisors (45157321379).

144045662605 is a wasteful number, since it uses less digits than its factorization.

144045662605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36329376.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 144045662605 in words is "one hundred forty-four billion, forty-five million, six hundred sixty-two thousand, six hundred five".

Divisors: 1 5 13 61 65 305 793 3965 36329297 181646485 472280861 2216087117 2361404305 11080435585 28809132521 144045662605