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144165353 = 532720101
BaseRepresentation
bin10001001011111…
…00100111101001
3101001021100200112
420211330213221
5243401242403
622145544105
73400246103
oct1045744751
9331240615
10144165353
1174417622
1240345035
1323b38257
141520a573
15c9ca9d8
hex897c9e9

144165353 has 4 divisors (see below), whose sum is σ = 146885508. Its totient is φ = 141445200.

The previous prime is 144165319. The next prime is 144165361. The reversal of 144165353 is 353561441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131859289 + 12306064 = 11483^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 144165353 - 210 = 144164329 is a prime.

It is a super-2 number, since 2×1441653532 = 41567298011229218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144165383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359998 + ... + 1360103.

It is an arithmetic number, because the mean of its divisors is an integer number (36721377).

Almost surely, 2144165353 is an apocalyptic number.

It is an amenable number.

144165353 is a deficient number, since it is larger than the sum of its proper divisors (2720155).

144165353 is an equidigital number, since it uses as much as digits as its factorization.

144165353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720154.

The product of its digits is 21600, while the sum is 32.

The square root of 144165353 is about 12006.8877316314. The cubic root of 144165353 is about 524.3488259199.

The spelling of 144165353 in words is "one hundred forty-four million, one hundred sixty-five thousand, three hundred fifty-three".

Divisors: 1 53 2720101 144165353