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144111423 = 348037141
BaseRepresentation
bin10001001011011…
…11011100111111
3101001011121201010
420211233130333
5243343031143
622144450303
73366632631
oct1045573477
9331147633
10144111423
1174390055
1240319993
1323b19841
14151d4a51
15c9b9a33
hex896f73f

144111423 has 4 divisors (see below), whose sum is σ = 192148568. Its totient is φ = 96074280.

The previous prime is 144111419. The next prime is 144111427. The reversal of 144111423 is 324111441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324111441 = 3108037147.

It is an interprime number because it is at equal distance from previous prime (144111419) and next prime (144111427).

It is not a de Polignac number, because 144111423 - 22 = 144111419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144111423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144111427) 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, 24018568 + ... + 24018573.

It is an arithmetic number, because the mean of its divisors is an integer number (48037142).

Almost surely, 2144111423 is an apocalyptic number.

144111423 is a deficient number, since it is larger than the sum of its proper divisors (48037145).

144111423 is an equidigital number, since it uses as much as digits as its factorization.

144111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48037144.

The product of its digits is 384, while the sum is 21.

The square root of 144111423 is about 12004.6417272653. The cubic root of 144111423 is about 524.2834342048.

Adding to 144111423 its reverse (324111441), we get a palindrome (468222864).

The spelling of 144111423 in words is "one hundred forty-four million, one hundred eleven thousand, four hundred twenty-three".

Divisors: 1 3 48037141 144111423