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144869371 is a prime number
BaseRepresentation
bin10001010001010…
…00011111111011
3101002121010102021
420220220133323
5244041304441
622213015311
73406240453
oct1050503773
9332533367
10144869371
1174858559
1240624537
132402382a
1415350d63
15cab93d1
hex8a287fb

144869371 has 2 divisors, whose sum is σ = 144869372. Its totient is φ = 144869370.

The previous prime is 144869321. The next prime is 144869383. The reversal of 144869371 is 173968441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144869371 - 215 = 144836603 is a prime.

It is not a weakly prime, because it can be changed into another prime (144869321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72434685 + 72434686.

It is an arithmetic number, because the mean of its divisors is an integer number (72434686).

Almost surely, 2144869371 is an apocalyptic number.

144869371 is a deficient number, since it is larger than the sum of its proper divisors (1).

144869371 is an equidigital number, since it uses as much as digits as its factorization.

144869371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 144869371 is about 12036.1692826248. The cubic root of 144869371 is about 525.2009764175.

The spelling of 144869371 in words is "one hundred forty-four million, eight hundred sixty-nine thousand, three hundred seventy-one".