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144471001 is a prime number
BaseRepresentation
bin10001001110001…
…11001111011001
3101001211212221211
420213013033121
5243441033001
622200303121
73402661153
oct1047071731
9331755854
10144471001
1174606224
1240471aa1
1323c143cc
1415289ad3
15ca3b351
hex89c73d9

144471001 has 2 divisors, whose sum is σ = 144471002. Its totient is φ = 144471000.

The previous prime is 144470987. The next prime is 144471017. The reversal of 144471001 is 100174441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 32216976 = 10595^2 + 5676^2 .

It is a cyclic number.

It is not a de Polignac number, because 144471001 - 25 = 144470969 is a prime.

It is not a weakly prime, because it can be changed into another prime (144471031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72235500 + 72235501.

It is an arithmetic number, because the mean of its divisors is an integer number (72235501).

Almost surely, 2144471001 is an apocalyptic number.

It is an amenable number.

144471001 is a deficient number, since it is larger than the sum of its proper divisors (1).

144471001 is an equidigital number, since it uses as much as digits as its factorization.

144471001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 144471001 is about 12019.6090202635. The cubic root of 144471001 is about 524.7191253448.

The spelling of 144471001 in words is "one hundred forty-four million, four hundred seventy-one thousand, one".