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144320459 is a prime number
BaseRepresentation
bin10001001101000…
…10011111001011
3101001120020110012
420212202133023
5243421223314
622153142135
73401463233
oct1046423713
9331506405
10144320459
1174513108
12403ba94b
1323b90a2a
141524acc3
15ca0b93e
hex89a27cb

144320459 has 2 divisors, whose sum is σ = 144320460. Its totient is φ = 144320458.

The previous prime is 144320453. The next prime is 144320521. The reversal of 144320459 is 954023441.

144320459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144320459 - 224 = 127543243 is a prime.

It is not a weakly prime, because it can be changed into another prime (144320453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72160229 + 72160230.

It is an arithmetic number, because the mean of its divisors is an integer number (72160230).

Almost surely, 2144320459 is an apocalyptic number.

144320459 is a deficient number, since it is larger than the sum of its proper divisors (1).

144320459 is an equidigital number, since it uses as much as digits as its factorization.

144320459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 144320459 is about 12013.3450379151. The cubic root of 144320459 is about 524.5368056656.

The spelling of 144320459 in words is "one hundred forty-four million, three hundred twenty thousand, four hundred fifty-nine".