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144342543 = 3275317477
BaseRepresentation
bin10001001101001…
…11111000001111
3101001121100202010
420212213320033
5243422430133
622153432303
73401614512
oct1046477017
9331540663
10144342543
1174528764
124040b693
1323b9aab7
1415254d79
15ca13263
hex89a7e0f

144342543 has 8 divisors (see below), whose sum is σ = 192537648. Its totient is φ = 96187904.

The previous prime is 144342533. The next prime is 144342547. The reversal of 144342543 is 345243441.

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 144342543 - 25 = 144342511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144342543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144342547) 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, 480 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (24067206).

Almost surely, 2144342543 is an apocalyptic number.

144342543 is a deficient number, since it is larger than the sum of its proper divisors (48195105).

144342543 is a wasteful number, since it uses less digits than its factorization.

144342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20233.

The product of its digits is 23040, while the sum is 30.

The square root of 144342543 is about 12014.2641472543. The cubic root of 144342543 is about 524.5635592760.

Adding to 144342543 its reverse (345243441), we get a palindrome (489585984).

The spelling of 144342543 in words is "one hundred forty-four million, three hundred forty-two thousand, five hundred forty-three".

Divisors: 1 3 2753 8259 17477 52431 48114181 144342543