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144244001423 = 433354511661
BaseRepresentation
bin1000011001010110011…
…1001100101010001111
3111210022121112111020002
42012111213030222033
54330402431021143
6150133105314515
713264333532204
oct2062547145217
9453277474202
10144244001423
115619aa84235
1223b57035a3b
13107a9c05942
146da5139cab
153b435e35b8
hex21959cca8f

144244001423 has 4 divisors (see below), whose sum is σ = 147598513128. Its totient is φ = 140889489720.

The previous prime is 144244001399. The next prime is 144244001477. The reversal of 144244001423 is 324100442441.

144244001423 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, and also an emirpimes, since its reverse is a distinct semiprime: 324100442441 = 503416438101.

It is a cyclic number.

It is not a de Polignac number, because 144244001423 - 218 = 144243739279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144244001623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677255788 + ... + 1677255873.

It is an arithmetic number, because the mean of its divisors is an integer number (36899628282).

Almost surely, 2144244001423 is an apocalyptic number.

144244001423 is a deficient number, since it is larger than the sum of its proper divisors (3354511705).

144244001423 is an equidigital number, since it uses as much as digits as its factorization.

144244001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354511704.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 144244001423 its reverse (324100442441), we get a palindrome (468344443864).

The spelling of 144244001423 in words is "one hundred forty-four billion, two hundred forty-four million, one thousand, four hundred twenty-three".

Divisors: 1 43 3354511661 144244001423