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144243518 = 2227317717
BaseRepresentation
bin10001001100011…
…11101100111110
3101001102022220112
420212033230332
5243411243033
622151350022
73401023016
oct1046175476
9331368815
10144243518
1174470321
1240382312
1323b649c3
141522ac46
15c9e3c48
hex898fb3e

144243518 has 8 divisors (see below), whose sum is σ = 217319112. Its totient is φ = 71803816.

The previous prime is 144243509. The next prime is 144243523. The reversal of 144243518 is 815342441.

144243518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158405 + ... + 159312.

It is an arithmetic number, because the mean of its divisors is an integer number (27164889).

Almost surely, 2144243518 is an apocalyptic number.

144243518 is a deficient number, since it is larger than the sum of its proper divisors (73075594).

144243518 is a wasteful number, since it uses less digits than its factorization.

144243518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317946.

The product of its digits is 15360, while the sum is 32.

The square root of 144243518 is about 12010.1422972419. The cubic root of 144243518 is about 524.4435743459.

Adding to 144243518 its reverse (815342441), we get a palindrome (959585959).

The spelling of 144243518 in words is "one hundred forty-four million, two hundred forty-three thousand, five hundred eighteen".

Divisors: 1 2 227 454 317717 635434 72121759 144243518