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144396305 = 559489479
BaseRepresentation
bin10001001101101…
…01000000010001
3101001201002111022
420212311000101
5243431140210
622154525225
73402230324
oct1046650021
9331632438
10144396305
1174565099
1240436815
1323bb9401
141526a7bb
15ca24155
hex89b5011

144396305 has 8 divisors (see below), whose sum is σ = 176212800. Its totient is φ = 113558896.

The previous prime is 144396299. The next prime is 144396337. The reversal of 144396305 is 503693441.

It is a happy number.

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 144396305 - 210 = 144395281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244445 + ... + 245034.

It is an arithmetic number, because the mean of its divisors is an integer number (22026600).

Almost surely, 2144396305 is an apocalyptic number.

It is an amenable number.

144396305 is a deficient number, since it is larger than the sum of its proper divisors (31816495).

144396305 is an equidigital number, since it uses as much as digits as its factorization.

144396305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489543.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 144396305 is about 12016.5013627095. The cubic root of 144396305 is about 524.6286777201.

The spelling of 144396305 in words is "one hundred forty-four million, three hundred ninety-six thousand, three hundred five".

Divisors: 1 5 59 295 489479 2447395 28879261 144396305