Search a number
-
+
143442444433 = 1718146617629
BaseRepresentation
bin1000010110010111010…
…1100000000010010001
3111201020202021011202011
42011211311200002101
54322232231210213
6145521353222521
713235431442311
oct2054565400221
9451222234664
10143442444433
115591957a642
1223972701a41
13106acb29172
146d2a8c7441
153ae806003d
hex2165d60091

143442444433 has 8 divisors (see below), whose sum is σ = 152719355880. Its totient is φ = 134258768640.

The previous prime is 143442444367. The next prime is 143442444473. The reversal of 143442444433 is 334444244341.

It can be written as a sum of positive squares in 4 ways, for example, as 7201728769 + 136240715664 = 84863^2 + 369108^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 143442444433 - 229 = 142905573521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143442444473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23305738 + ... + 23311891.

It is an arithmetic number, because the mean of its divisors is an integer number (19089919485).

Almost surely, 2143442444433 is an apocalyptic number.

It is an amenable number.

143442444433 is a deficient number, since it is larger than the sum of its proper divisors (9276911447).

143442444433 is a wasteful number, since it uses less digits than its factorization.

143442444433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46617827.

The product of its digits is 884736, while the sum is 40.

Adding to 143442444433 its reverse (334444244341), we get a palindrome (477886688774).

The spelling of 143442444433 in words is "one hundred forty-three billion, four hundred forty-two million, four hundred forty-four thousand, four hundred thirty-three".

Divisors: 1 17 181 3077 46617629 792499693 8437790849 143442444433