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143020141 = 112329101193
BaseRepresentation
bin10001000011001…
…01000001101101
3100222010011202021
420201211001231
5243103121031
622105230141
73354436225
oct1041450155
9328104667
10143020141
1173805170
123ba92351
1323826c04
1414dcd085
15c851511
hex886506d

143020141 has 32 divisors (see below), whose sum is σ = 170968320. Its totient is φ = 118272000.

The previous prime is 143020109. The next prime is 143020147. The reversal of 143020141 is 141020341.

It is not a de Polignac number, because 143020141 - 25 = 143020109 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 (143020147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740941 + ... + 741133.

It is an arithmetic number, because the mean of its divisors is an integer number (5342760).

Almost surely, 2143020141 is an apocalyptic number.

143020141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143020141 is a deficient number, since it is larger than the sum of its proper divisors (27948179).

143020141 is a wasteful number, since it uses less digits than its factorization.

143020141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143020141 is about 11959.1028509667. The cubic root of 143020141 is about 522.9567030172.

Adding to 143020141 its reverse (141020341), we get a palindrome (284040482).

The spelling of 143020141 in words is "one hundred forty-three million, twenty thousand, one hundred forty-one".

Divisors: 1 11 23 29 101 193 253 319 667 1111 2123 2323 2929 4439 5597 7337 19493 25553 32219 48829 61567 67367 128731 214423 448339 565297 741037 1416041 4931729 6218267 13001831 143020141