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144463769 is a prime number
BaseRepresentation
bin10001001110001…
…01011110011001
3101001211112000222
420213011132121
5243440320034
622200205425
73402631112
oct1047053631
9331745028
10144463769
117460084a
1240469875
1323c11028
1415287209
15ca3912e
hex89c5799

144463769 has 2 divisors, whose sum is σ = 144463770. Its totient is φ = 144463768.

The previous prime is 144463757. The next prime is 144463793. The reversal of 144463769 is 967364441.

144463769 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., 90250000 + 54213769 = 9500^2 + 7363^2 .

It is a cyclic number.

It is not a de Polignac number, because 144463769 - 28 = 144463513 is a prime.

It is a super-2 number, since 2×1444637692 = 41739561107370722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144463729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72231884 + 72231885.

It is an arithmetic number, because the mean of its divisors is an integer number (72231885).

Almost surely, 2144463769 is an apocalyptic number.

It is an amenable number.

144463769 is a deficient number, since it is larger than the sum of its proper divisors (1).

144463769 is an equidigital number, since it uses as much as digits as its factorization.

144463769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 144463769 is about 12019.3081747661. The cubic root of 144463769 is about 524.7103696499.

The spelling of 144463769 in words is "one hundred forty-four million, four hundred sixty-three thousand, seven hundred sixty-nine".