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144436031 is a prime number
BaseRepresentation
bin10001001101111…
…10101100111111
3101001210002222122
420212332230333
5243433423111
622155433155
73402454205
oct1046765477
9331702878
10144436031
1174591a23
12404557bb
1323c0150c
141527b075
15ca30cdb
hex89beb3f

144436031 has 2 divisors, whose sum is σ = 144436032. Its totient is φ = 144436030.

The previous prime is 144436003. The next prime is 144436109. The reversal of 144436031 is 130634441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144436031 - 226 = 77327167 is a prime.

It is a super-2 number, since 2×1444360312 = 41723534102065922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144436631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72218015 + 72218016.

It is an arithmetic number, because the mean of its divisors is an integer number (72218016).

Almost surely, 2144436031 is an apocalyptic number.

144436031 is a deficient number, since it is larger than the sum of its proper divisors (1).

144436031 is an equidigital number, since it uses as much as digits as its factorization.

144436031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 144436031 is about 12018.1542260033. The cubic root of 144436031 is about 524.6767848788.

The spelling of 144436031 in words is "one hundred forty-four million, four hundred thirty-six thousand, thirty-one".