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144196243 = 437173647
BaseRepresentation
bin10001001100001…
…00001010010011
3101001022221001121
420212010022103
5243403234433
622150343111
73400435132
oct1046041223
9331287047
10144196243
1174438854
124035aa97
1323b49329
1415217919
15c9d4c2d
hex8984293

144196243 has 16 divisors (see below), whose sum is σ = 151911936. Its totient is φ = 136745280.

The previous prime is 144196231. The next prime is 144196259. The reversal of 144196243 is 342691441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144196243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144196199 and 144196208.

It is not an unprimeable number, because it can be changed into a prime (144196043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222546 + ... + 223192.

It is an arithmetic number, because the mean of its divisors is an integer number (9494496).

Almost surely, 2144196243 is an apocalyptic number.

144196243 is a deficient number, since it is larger than the sum of its proper divisors (7715693).

144196243 is an equidigital number, since it uses as much as digits as its factorization.

144196243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 20736, while the sum is 34.

The square root of 144196243 is about 12008.1740077332. The cubic root of 144196243 is about 524.3862736103.

The spelling of 144196243 in words is "one hundred forty-four million, one hundred ninety-six thousand, two hundred forty-three".

Divisors: 1 43 71 73 647 3053 3139 5183 27821 45937 47231 222869 1975291 2030933 3353401 144196243