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144140263 = 1712176967
BaseRepresentation
bin10001001011101…
…10011111100111
3101001020002021021
420211312133213
5243344442023
622145232011
73400113001
oct1045663747
9331202237
10144140263
11743aa793
1240332607
1323b299c7
1415201371
15c9c335d
hex89767e7

144140263 has 8 divisors (see below), whose sum is σ = 152766432. Its totient is φ = 135530496.

The previous prime is 144140209. The next prime is 144140279. The reversal of 144140263 is 362041441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144140263 - 217 = 144009191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17206 + ... + 24172.

It is an arithmetic number, because the mean of its divisors is an integer number (19095804).

Almost surely, 2144140263 is an apocalyptic number.

144140263 is a deficient number, since it is larger than the sum of its proper divisors (8626169).

144140263 is a wasteful number, since it uses less digits than its factorization.

144140263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 144140263 is about 12005.8428692033. The cubic root of 144140263 is about 524.3184055842.

The spelling of 144140263 in words is "one hundred forty-four million, one hundred forty thousand, two hundred sixty-three".

Divisors: 1 17 1217 6967 20689 118439 8478839 144140263