Search a number
-
+
144044242 = 2239330097
BaseRepresentation
bin10001001010111…
…11000011010010
3101001001012112221
420211133003102
5243333403432
622143211254
73366233026
oct1045370322
9331035487
10144044242
1174344631
12402a6b2a
1323ac50a4
14151b8386
15c9a4b97
hex895f0d2

144044242 has 8 divisors (see below), whose sum is σ = 216163836. Its totient is φ = 71989632.

The previous prime is 144044227. The next prime is 144044261. The reversal of 144044242 is 242440441.

It can be written as a sum of positive squares in 2 ways, for example, as 89889361 + 54154881 = 9481^2 + 7359^2 .

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

It is an unprimeable number.

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, 10263 + ... + 19834.

Almost surely, 2144044242 is an apocalyptic number.

144044242 is a deficient number, since it is larger than the sum of its proper divisors (72119594).

144044242 is a wasteful number, since it uses less digits than its factorization.

144044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32492.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 144044242 is about 12001.8432750974. The cubic root of 144044242 is about 524.2019524383.

Adding to 144044242 its reverse (242440441), we get a palindrome (386484683).

The spelling of 144044242 in words is "one hundred forty-four million, forty-four thousand, two hundred forty-two".

Divisors: 1 2 2393 4786 30097 60194 72022121 144044242