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144791701 is a prime number
BaseRepresentation
bin10001010000101…
…01100010010101
3101002110011212121
420220111202111
5244031313301
622211215541
73405465145
oct1050254225
9332404777
10144791701
117480516a
12405a75b1
1323cc7382
1415330925
15caa13a1
hex8a15895

144791701 has 2 divisors, whose sum is σ = 144791702. Its totient is φ = 144791700.

The previous prime is 144791687. The next prime is 144791719. The reversal of 144791701 is 107197441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85100625 + 59691076 = 9225^2 + 7726^2 .

It is a cyclic number.

It is not a de Polignac number, because 144791701 - 29 = 144791189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144791741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72395850 + 72395851.

It is an arithmetic number, because the mean of its divisors is an integer number (72395851).

Almost surely, 2144791701 is an apocalyptic number.

It is an amenable number.

144791701 is a deficient number, since it is larger than the sum of its proper divisors (1).

144791701 is an equidigital number, since it uses as much as digits as its factorization.

144791701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 144791701 is about 12032.9423251339. The cubic root of 144791701 is about 525.1070995411.

The spelling of 144791701 in words is "one hundred forty-four million, seven hundred ninety-one thousand, seven hundred one".