Search a number
-
+
144606365 = 528921273
BaseRepresentation
bin10001001111010…
…00010010011101
3101002002202122022
420213220102131
5244004400430
622203225525
73404063621
oct1047502235
9332082568
10144606365
11746989a2
12405182a5
1323c60bc7
14152c3181
15ca664e5
hex89e849d

144606365 has 4 divisors (see below), whose sum is σ = 173527644. Its totient is φ = 115685088.

The previous prime is 144606361. The next prime is 144606367. The reversal of 144606365 is 563606441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67535524 + 77070841 = 8218^2 + 8779^2 .

It is a cyclic number.

It is not a de Polignac number, because 144606365 - 22 = 144606361 is a prime.

It is a super-2 number, since 2×1446063652 = 41822001597026450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144606361) 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 3 ways as a sum of consecutive naturals, for example, 14460632 + ... + 14460641.

It is an arithmetic number, because the mean of its divisors is an integer number (43381911).

Almost surely, 2144606365 is an apocalyptic number.

It is an amenable number.

144606365 is a deficient number, since it is larger than the sum of its proper divisors (28921279).

144606365 is an equidigital number, since it uses as much as digits as its factorization.

144606365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28921278.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 144606365 is about 12025.2386670702. The cubic root of 144606365 is about 524.8829550111.

The spelling of 144606365 in words is "one hundred forty-four million, six hundred six thousand, three hundred sixty-five".

Divisors: 1 5 28921273 144606365