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144604065 = 3515761403
BaseRepresentation
bin10001001111001…
…11101110100001
3101002002122111010
420213213232201
5244004312230
622203211133
73404054124
oct1047475641
9332078433
10144604065
11746971a1
1240516aa9
1323c5cb48
14152c23bb
15ca659b0
hex89e7ba1

144604065 has 16 divisors (see below), whose sum is σ = 232843968. Its totient is φ = 76629696.

The previous prime is 144604051. The next prime is 144604081. The reversal of 144604065 is 560406441.

It is not a de Polignac number, because 144604065 - 212 = 144599969 is a prime.

It is a super-2 number, since 2×1446040652 = 41820671229048450, which contains 22 as substring.

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, 28347 + ... + 33056.

It is an arithmetic number, because the mean of its divisors is an integer number (14552748).

Almost surely, 2144604065 is an apocalyptic number.

144604065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144604065 is a deficient number, since it is larger than the sum of its proper divisors (88239903).

144604065 is a wasteful number, since it uses less digits than its factorization.

144604065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61568.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 144604065 is about 12025.1430344924. The cubic root of 144604065 is about 524.8801721987.

The spelling of 144604065 in words is "one hundred forty-four million, six hundred four thousand, sixty-five".

Divisors: 1 3 5 15 157 471 785 2355 61403 184209 307015 921045 9640271 28920813 48201355 144604065