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144453143 = 1937533877
BaseRepresentation
bin10001001110000…
…10111000010111
3101001210222110102
420213002320113
5243440000033
622200044315
73402555122
oct1047027027
9331728412
10144453143
11745a386a
124046369b
1323c09243
14152833b9
15ca35de8
hex89c2e17

144453143 has 16 divisors (see below), whose sum is σ = 159153120. Its totient is φ = 130605696.

The previous prime is 144453107. The next prime is 144453151. The reversal of 144453143 is 341354441.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-144453143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144453193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35321 + ... + 39197.

It is an arithmetic number, because the mean of its divisors is an integer number (9947070).

Almost surely, 2144453143 is an apocalyptic number.

144453143 is a deficient number, since it is larger than the sum of its proper divisors (14699977).

144453143 is a wasteful number, since it uses less digits than its factorization.

144453143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986.

The product of its digits is 11520, while the sum is 29.

The square root of 144453143 is about 12018.8661278841. The cubic root of 144453143 is about 524.6975043501.

The spelling of 144453143 in words is "one hundred forty-four million, four hundred fifty-three thousand, one hundred forty-three".

Divisors: 1 19 37 53 703 1007 1961 3877 37259 73663 143449 205481 2725531 3904139 7602797 144453143