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144500249 is a prime number
BaseRepresentation
bin10001001110011…
…10011000011001
3101001220101002002
420213032120121
5243443001444
622201050345
73403142345
oct1047163031
9331811062
10144500249
11746261a3
12404869b5
1323c2480a
1415296625
15ca44d4e
hex89ce619

144500249 has 2 divisors, whose sum is σ = 144500250. Its totient is φ = 144500248.

The previous prime is 144500189. The next prime is 144500273. The reversal of 144500249 is 942005441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140256649 + 4243600 = 11843^2 + 2060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144500249 is a prime.

It is a super-2 number, since 2×1445002492 = 41760643922124002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144500299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72250124 + 72250125.

It is an arithmetic number, because the mean of its divisors is an integer number (72250125).

Almost surely, 2144500249 is an apocalyptic number.

It is an amenable number.

144500249 is a deficient number, since it is larger than the sum of its proper divisors (1).

144500249 is an equidigital number, since it uses as much as digits as its factorization.

144500249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 144500249 is about 12020.8256372015. The cubic root of 144500249 is about 524.7545325646.

The spelling of 144500249 in words is "one hundred forty-four million, five hundred thousand, two hundred forty-nine".