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144004342 = 272002171
BaseRepresentation
bin10001001010101…
…01010011110110
3101000222011211011
420211111103312
5243331114332
622142302434
73366005506
oct1045252366
9330864734
10144004342
1174317659
1240287a1a
1323aacb91
14151a7a06
15c997e47
hex89554f6

144004342 has 4 divisors (see below), whose sum is σ = 216006516. Its totient is φ = 72002170.

The previous prime is 144004337. The next prime is 144004379. The reversal of 144004342 is 243400441.

144004342 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 Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36001084 + ... + 36001087.

It is an arithmetic number, because the mean of its divisors is an integer number (54001629).

Almost surely, 2144004342 is an apocalyptic number.

144004342 is a deficient number, since it is larger than the sum of its proper divisors (72002174).

144004342 is an equidigital number, since it uses as much as digits as its factorization.

144004342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72002173.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144004342 is about 12000.1809153029. The cubic root of 144004342 is about 524.1535469644.

Adding to 144004342 its reverse (243400441), we get a palindrome (387404783).

The spelling of 144004342 in words is "one hundred forty-four million, four thousand, three hundred forty-two".

Divisors: 1 2 72002171 144004342