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144145061 is a prime number
BaseRepresentation
bin10001001011101…
…11101010100101
3101001020022211222
420211313222211
5243400120221
622145310125
73400132664
oct1045675245
9331208758
10144145061
1174403355
1240335345
1323b2bc48
1415202ddb
15c9c49ab
hex8977aa5

144145061 has 2 divisors, whose sum is σ = 144145062. Its totient is φ = 144145060.

The previous prime is 144144977. The next prime is 144145063. The reversal of 144145061 is 160541441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138532900 + 5612161 = 11770^2 + 2369^2 .

It is an emirp because it is prime and its reverse (160541441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144145061 is a prime.

It is a super-2 number, since 2×1441450612 = 41555597221387442, which contains 22 as substring.

Together with 144145063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144145061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144145063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72072530 + 72072531.

It is an arithmetic number, because the mean of its divisors is an integer number (72072531).

Almost surely, 2144145061 is an apocalyptic number.

It is an amenable number.

144145061 is a deficient number, since it is larger than the sum of its proper divisors (1).

144145061 is an equidigital number, since it uses as much as digits as its factorization.

144145061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 144145061 is about 12006.0426869140. The cubic root of 144145061 is about 524.3242231856.

The spelling of 144145061 in words is "one hundred forty-four million, one hundred forty-five thousand, sixty-one".