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144956143 = 236302441
BaseRepresentation
bin10001010001111…
…01101011101111
3101002202112110001
420220331223233
5244102044033
622214525131
73410051443
oct1050755357
9332675401
10144956143
1174907772
12406667a7
1324054187
1415374823
15cad4e7d
hex8a3daef

144956143 has 4 divisors (see below), whose sum is σ = 151258608. Its totient is φ = 138653680.

The previous prime is 144956137. The next prime is 144956153. The reversal of 144956143 is 341659441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144956143 - 29 = 144955631 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 (144956153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151198 + ... + 3151243.

It is an arithmetic number, because the mean of its divisors is an integer number (37814652).

Almost surely, 2144956143 is an apocalyptic number.

144956143 is a deficient number, since it is larger than the sum of its proper divisors (6302465).

144956143 is an equidigital number, since it uses as much as digits as its factorization.

144956143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302464.

The product of its digits is 51840, while the sum is 37.

The square root of 144956143 is about 12039.7733782659. The cubic root of 144956143 is about 525.3058148730.

The spelling of 144956143 in words is "one hundred forty-four million, nine hundred fifty-six thousand, one hundred forty-three".

Divisors: 1 23 6302441 144956143