Search a number
-
+
144343239 = 3232091931
BaseRepresentation
bin10001001101010…
…00000011000111
3101001121101200220
420212220003013
5243422440424
622153435423
73401616525
oct1046500307
9331541626
10144343239
1174529237
124040bb73
1323b9b201
1415255315
15ca13579
hex89a80c7

144343239 has 8 divisors (see below), whose sum is σ = 200825472. Its totient is φ = 92044920.

The previous prime is 144343229. The next prime is 144343271. The reversal of 144343239 is 932343441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144343239 - 211 = 144341191 is a prime.

It is a super-2 number, since 2×1443432392 = 41669941290022242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144343219) 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 in 7 ways as a sum of consecutive naturals, for example, 1045897 + ... + 1046034.

It is an arithmetic number, because the mean of its divisors is an integer number (25103184).

Almost surely, 2144343239 is an apocalyptic number.

144343239 is a deficient number, since it is larger than the sum of its proper divisors (56482233).

144343239 is a wasteful number, since it uses less digits than its factorization.

144343239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091957.

The product of its digits is 31104, while the sum is 33.

The square root of 144343239 is about 12014.2931127886. The cubic root of 144343239 is about 524.5644023992.

The spelling of 144343239 in words is "one hundred forty-four million, three hundred forty-three thousand, two hundred thirty-nine".

Divisors: 1 3 23 69 2091931 6275793 48114413 144343239