Search a number
-
+
144655443 = 335357609
BaseRepresentation
bin10001001111101…
…00010001010011
3101002012020222000
420213310101103
5244012433233
622204245043
73404356662
oct1047642123
9332166860
10144655443
1174721859
1240540783
1323c7a34a
14152d6dd9
15ca75d13
hex89f4453

144655443 has 8 divisors (see below), whose sum is σ = 214304400. Its totient is φ = 96436944.

The previous prime is 144655439. The next prime is 144655457. The reversal of 144655443 is 344556441.

It is not a de Polignac number, because 144655443 - 22 = 144655439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144655398 and 144655407.

It is not an unprimeable number, because it can be changed into a prime (144655403) 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 in 7 ways as a sum of consecutive naturals, for example, 2678778 + ... + 2678831.

It is an arithmetic number, because the mean of its divisors is an integer number (26788050).

Almost surely, 2144655443 is an apocalyptic number.

144655443 is a deficient number, since it is larger than the sum of its proper divisors (69648957).

144655443 is an equidigital number, since it uses as much as digits as its factorization.

144655443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357618 (or 5357612 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 144655443 is about 12027.2791187367. The cubic root of 144655443 is about 524.9423283588.

The spelling of 144655443 in words is "one hundred forty-four million, six hundred fifty-five thousand, four hundred forty-three".

Divisors: 1 3 9 27 5357609 16072827 48218481 144655443