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143234141 = 1937673041
BaseRepresentation
bin10001000100110…
…01010001011101
3100222112001022012
420202121101131
5243131443031
622114001005
73356320151
oct1042312135
9328461265
10143234141
1173940a26
123bb76165
13238a043b
1415047061
15c894b2b
hex889945d

143234141 has 16 divisors (see below), whose sum is σ = 157210560. Its totient is φ = 130014720.

The previous prime is 143234111. The next prime is 143234153. The reversal of 143234141 is 141432341.

Adding to 143234141 its reverse (141432341), we get a palindrome (284666482).

It is not a de Polignac number, because 143234141 - 222 = 139039837 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143234101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45581 + ... + 48621.

It is an arithmetic number, because the mean of its divisors is an integer number (9825660).

Almost surely, 2143234141 is an apocalyptic number.

It is an amenable number.

143234141 is a deficient number, since it is larger than the sum of its proper divisors (13976419).

143234141 is a wasteful number, since it uses less digits than its factorization.

143234141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 1152, while the sum is 23.

The square root of 143234141 is about 11968.0466660186. The cubic root of 143234141 is about 523.2174051392.

The spelling of 143234141 in words is "one hundred forty-three million, two hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 19 37 67 703 1273 2479 3041 47101 57779 112517 203747 2137823 3871193 7538639 143234141