Search a number
-
+
144464323 = 473073709
BaseRepresentation
bin10001001110001…
…01100111000011
3101001211112210111
420213011213003
5243440324243
622200212151
73402632533
oct1047054703
9331745714
10144464323
1174601203
124046a057
1323c11363
14152874c3
15ca3939d
hex89c59c3

144464323 has 4 divisors (see below), whose sum is σ = 147538080. Its totient is φ = 141390568.

The previous prime is 144464263. The next prime is 144464347. The reversal of 144464323 is 323464441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323464441 = 541597901.

It is a cyclic number.

It is not a de Polignac number, because 144464323 - 29 = 144463811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144464393) 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, 1536808 + ... + 1536901.

It is an arithmetic number, because the mean of its divisors is an integer number (36884520).

Almost surely, 2144464323 is an apocalyptic number.

144464323 is a deficient number, since it is larger than the sum of its proper divisors (3073757).

144464323 is an equidigital number, since it uses as much as digits as its factorization.

144464323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073756.

The product of its digits is 27648, while the sum is 31.

The square root of 144464323 is about 12019.3312209956. The cubic root of 144464323 is about 524.7110403813.

It can be divided in two parts, 14446 and 4323, that added together give a square (18769 = 1372).

The spelling of 144464323 in words is "one hundred forty-four million, four hundred sixty-four thousand, three hundred twenty-three".

Divisors: 1 47 3073709 144464323