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1144144055 = 57112132657
BaseRepresentation
bin100010000110010…
…0100000010110111
32221201220112120202
41010030210002313
54320400102210
6305310551115
740232030645
oct10414440267
92851815522
101144144055
115379263aa
1227b20849b
13153068822
14abd50195
156a6a59a5
hex443240b7

1144144055 has 16 divisors (see below), whose sum is σ = 1393982784. Its totient is φ = 901340160.

The previous prime is 1144144009. The next prime is 1144144087. The reversal of 1144144055 is 5504414411.

It is not a de Polignac number, because 1144144055 - 210 = 1144143031 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, 429287 + ... + 431943.

It is an arithmetic number, because the mean of its divisors is an integer number (87123924).

Almost surely, 21144144055 is an apocalyptic number.

1144144055 is a deficient number, since it is larger than the sum of its proper divisors (249838729).

1144144055 is a wasteful number, since it uses less digits than its factorization.

1144144055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 1144144055 is about 33825.1985212208. The cubic root of 1144144055 is about 1045.9082036878.

Adding to 1144144055 its reverse (5504414411), we get a palindrome (6648558466).

The spelling of 1144144055 in words is "one billion, one hundred forty-four million, one hundred forty-four thousand, fifty-five".

Divisors: 1 5 71 355 1213 2657 6065 13285 86123 188647 430615 943235 3222941 16114705 228828811 1144144055