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144942167 is a prime number
BaseRepresentation
bin10001010001110…
…10010001010111
3101002201211021102
420220322101113
5244101122132
622214340315
73406662626
oct1050722127
9332654242
10144942167
11748a8217
124065a69b
132404a9c6
141536d6bd
15cad0c62
hex8a3a457

144942167 has 2 divisors, whose sum is σ = 144942168. Its totient is φ = 144942166.

The previous prime is 144942163. The next prime is 144942191. The reversal of 144942167 is 761249441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144942167 - 22 = 144942163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144942167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144942163) 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 as a sum of consecutive naturals, namely, 72471083 + 72471084.

It is an arithmetic number, because the mean of its divisors is an integer number (72471084).

Almost surely, 2144942167 is an apocalyptic number.

144942167 is a deficient number, since it is larger than the sum of its proper divisors (1).

144942167 is an equidigital number, since it uses as much as digits as its factorization.

144942167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 144942167 is about 12039.1929546793. The cubic root of 144942167 is about 525.2889318124.

It can be divided in two parts, 14494 and 2167, that added together give a palindrome (16661).

The spelling of 144942167 in words is "one hundred forty-four million, nine hundred forty-two thousand, one hundred sixty-seven".