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143044121 = 1141317171
BaseRepresentation
bin10001000011010…
…10111000011001
3100222011101122102
420201222320121
5243104402441
622105533145
73354566153
oct1041527031
9328141572
10143044121
1173821190
123baa41b5
1323834abc
1414dd7ad3
15c85869b
hex886ae19

143044121 has 8 divisors (see below), whose sum is σ = 159854688. Its totient is φ = 126868000.

The previous prime is 143044117. The next prime is 143044123. The reversal of 143044121 is 121440341.

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

It is a cyclic number.

It is not a de Polignac number, because 143044121 - 22 = 143044117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143044093 and 143044102.

It is not an unprimeable number, because it can be changed into a prime (143044123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158135 + ... + 159036.

It is an arithmetic number, because the mean of its divisors is an integer number (19981836).

Almost surely, 2143044121 is an apocalyptic number.

143044121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143044121 is a deficient number, since it is larger than the sum of its proper divisors (16810567).

143044121 is a wasteful number, since it uses less digits than its factorization.

143044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317223.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 143044121 is about 11960.1053925122. The cubic root of 143044121 is about 522.9859292060.

Adding to 143044121 its reverse (121440341), we get a palindrome (264484462).

The spelling of 143044121 in words is "one hundred forty-three million, forty-four thousand, one hundred twenty-one".

Divisors: 1 11 41 451 317171 3488881 13004011 143044121