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144340342 = 2316322817
BaseRepresentation
bin10001001101001…
…11010101110110
3101001121020201121
420212213111312
5243422342332
622153414154
73401605216
oct1046472566
9331536647
10144340342
1174527043
124040a35a
1323b99ab3
1415254246
15ca12797
hex89a7576

144340342 has 8 divisors (see below), whose sum is σ = 216588456. Its totient is φ = 72144192.

The previous prime is 144340333. The next prime is 144340349. The reversal of 144340342 is 243043441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144340349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083 + ... + 17734.

It is an arithmetic number, because the mean of its divisors is an integer number (27073557).

Almost surely, 2144340342 is an apocalyptic number.

144340342 is a deficient number, since it is larger than the sum of its proper divisors (72248114).

144340342 is a wasteful number, since it uses less digits than its factorization.

144340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25982.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 144340342 is about 12014.1725474541. The cubic root of 144340342 is about 524.5608930021.

Adding to 144340342 its reverse (243043441), we get a palindrome (387383783).

The spelling of 144340342 in words is "one hundred forty-four million, three hundred forty thousand, three hundred forty-two".

Divisors: 1 2 3163 6326 22817 45634 72170171 144340342