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144944243 = 891628587
BaseRepresentation
bin10001010001110…
…10110001110011
3101002201221010022
420220322301303
5244101203433
622214354055
73410001653
oct1050726163
9332657108
10144944243
11748a9834
124065b92b
132404b932
1415370363
15cad1698
hex8a3ac73

144944243 has 4 divisors (see below), whose sum is σ = 146572920. Its totient is φ = 143315568.

The previous prime is 144944231. The next prime is 144944263. The reversal of 144944243 is 342449441.

144944243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144944243 - 28 = 144943987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144944203) 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, 814205 + ... + 814382.

It is an arithmetic number, because the mean of its divisors is an integer number (36643230).

Almost surely, 2144944243 is an apocalyptic number.

144944243 is a deficient number, since it is larger than the sum of its proper divisors (1628677).

144944243 is an equidigital number, since it uses as much as digits as its factorization.

144944243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628676.

The product of its digits is 55296, while the sum is 35.

The square root of 144944243 is about 12039.2791727744. The cubic root of 144944243 is about 525.2914396968.

The spelling of 144944243 in words is "one hundred forty-four million, nine hundred forty-four thousand, two hundred forty-three".

Divisors: 1 89 1628587 144944243