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144434131 is a prime number
BaseRepresentation
bin10001001101111…
…10001111010011
3101001210000101021
420212332033103
5243433343011
622155420311
73402445522
oct1046761723
9331700337
10144434131
1174590556
1240454697
1323c006aa
141527a4b9
15ca30471
hex89be3d3

144434131 has 2 divisors, whose sum is σ = 144434132. Its totient is φ = 144434130.

The previous prime is 144434117. The next prime is 144434189. The reversal of 144434131 is 131434441.

It is a weak prime.

It is an emirp because it is prime and its reverse (131434441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144434131 - 211 = 144432083 is a prime.

It is a super-2 number, since 2×1444341312 = 41722436395450322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144434096 and 144434105.

It is not a weakly prime, because it can be changed into another prime (144734131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72217065 + 72217066.

It is an arithmetic number, because the mean of its divisors is an integer number (72217066).

Almost surely, 2144434131 is an apocalyptic number.

144434131 is a deficient number, since it is larger than the sum of its proper divisors (1).

144434131 is an equidigital number, since it uses as much as digits as its factorization.

144434131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 144434131 is about 12018.0751786632. The cubic root of 144434131 is about 524.6744842288.

Adding to 144434131 its reverse (131434441), we get a palindrome (275868572).

The spelling of 144434131 in words is "one hundred forty-four million, four hundred thirty-four thousand, one hundred thirty-one".