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144273085 = 5112623147
BaseRepresentation
bin10001001100101…
…10111010111101
3101001110211110121
420212112322331
5243413214320
622152134541
73401205145
oct1046267275
9331424417
10144273085
1174490560
1240397451
1323b752b8
1415237925
15c9ec8aa
hex8996ebd

144273085 has 8 divisors (see below), whose sum is σ = 188866656. Its totient is φ = 104925840.

The previous prime is 144273053. The next prime is 144273131. The reversal of 144273085 is 580372441.

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

It is not a de Polignac number, because 144273085 - 25 = 144273053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144273085.

It is a congruent number.

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, 1311519 + ... + 1311628.

It is an arithmetic number, because the mean of its divisors is an integer number (23608332).

Almost surely, 2144273085 is an apocalyptic number.

It is an amenable number.

144273085 is a deficient number, since it is larger than the sum of its proper divisors (44593571).

144273085 is a wasteful number, since it uses less digits than its factorization.

144273085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623163.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 144273085 is about 12011.3731521421. The cubic root of 144273085 is about 524.4794053351.

The spelling of 144273085 in words is "one hundred forty-four million, two hundred seventy-three thousand, eighty-five".

Divisors: 1 5 11 55 2623147 13115735 28854617 144273085