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144670655 = 5195359487
BaseRepresentation
bin10001001111101…
…11111110111111
3101002020000211102
420213313332333
5244013430110
622204443315
73404452223
oct1047677677
9332200742
10144670655
1174732228
124054953b
1323c8424c
14152dc783
15ca7a5a5
hex89f7fbf

144670655 has 32 divisors (see below), whose sum is σ = 189734400. Its totient is φ = 105535872.

The previous prime is 144670637. The next prime is 144670679. The reversal of 144670655 is 556076441.

It is a cyclic number.

It is not a de Polignac number, because 144670655 - 216 = 144605119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296822 + ... + 297308.

It is an arithmetic number, because the mean of its divisors is an integer number (5929200).

Almost surely, 2144670655 is an apocalyptic number.

144670655 is a deficient number, since it is larger than the sum of its proper divisors (45063745).

144670655 is a wasteful number, since it uses less digits than its factorization.

144670655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 144670655 is about 12027.9114978453. The cubic root of 144670655 is about 524.9607287329.

The spelling of 144670655 in words is "one hundred forty-four million, six hundred seventy thousand, six hundred fifty-five".

Divisors: 1 5 19 53 59 95 265 295 487 1007 1121 2435 3127 5035 5605 9253 15635 25811 28733 46265 59413 129055 143665 297065 490409 545927 1522849 2452045 2729635 7614245 28934131 144670655