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144400033 is a prime number
BaseRepresentation
bin10001001101101…
…01111010100001
3101001201021121101
420212311322201
5243431300113
622154554401
73402244231
oct1046657241
9331637541
10144400033
1174567978
1240438a01
1323bbb00b
141526bcc1
15ca252dd
hex89b5ea1

144400033 has 2 divisors, whose sum is σ = 144400034. Its totient is φ = 144400032.

The previous prime is 144400001. The next prime is 144400079. The reversal of 144400033 is 330004441.

144400033 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 can be written as a sum of positive squares in only one way, i.e., 142277184 + 2122849 = 11928^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 144400033 - 25 = 144400001 is a prime.

It is not a weakly prime, because it can be changed into another prime (144400433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72200016 + 72200017.

It is an arithmetic number, because the mean of its divisors is an integer number (72200017).

Almost surely, 2144400033 is an apocalyptic number.

It is an amenable number.

144400033 is a deficient number, since it is larger than the sum of its proper divisors (1).

144400033 is an equidigital number, since it uses as much as digits as its factorization.

144400033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 144400033 is about 12016.6564817340. The cubic root of 144400033 is about 524.6331926068.

Adding to 144400033 its reverse (330004441), we get a palindrome (474404474).

The spelling of 144400033 in words is "one hundred forty-four million, four hundred thousand, thirty-three".