Search a number
-
+
144843959 = 1354720369
BaseRepresentation
bin10001010001000…
…10010010110111
3101002112211120002
420220202102313
5244040001314
622212301515
73406103411
oct1050422267
9332484502
10144843959
1174840457
124061189b
13240150b0
14153459b1
15cab1ade
hex8a224b7

144843959 has 8 divisors (see below), whose sum is σ = 156278640. Its totient is φ = 133451136.

The previous prime is 144843953. The next prime is 144843971. The reversal of 144843959 is 959348441.

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

It is not a de Polignac number, because 144843959 - 28 = 144843703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144843953) 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, 3074 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (19534830).

Almost surely, 2144843959 is an apocalyptic number.

144843959 is a deficient number, since it is larger than the sum of its proper divisors (11434681).

144843959 is a wasteful number, since it uses less digits than its factorization.

144843959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20929.

The product of its digits is 622080, while the sum is 47.

The square root of 144843959 is about 12035.1135848400. The cubic root of 144843959 is about 525.1702655604.

The spelling of 144843959 in words is "one hundred forty-four million, eight hundred forty-three thousand, nine hundred fifty-nine".

Divisors: 1 13 547 7111 20369 264797 11141843 144843959