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144542344 = 2318067793
BaseRepresentation
bin10001001110110…
…00101010001000
3101001222111211011
420213120222020
5244000323334
622202013304
73403406152
oct1047305210
9331874734
10144542344
1174654891
12404a7234
1323c3aa1b
14152a7ad2
15ca52564
hex89d8a88

144542344 has 8 divisors (see below), whose sum is σ = 271016910. Its totient is φ = 72271168.

The previous prime is 144542339. The next prime is 144542371. The reversal of 144542344 is 443245441.

It can be written as a sum of positive squares in only one way, i.e., 110460100 + 34082244 = 10510^2 + 5838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033889 + ... + 9033904.

Almost surely, 2144542344 is an apocalyptic number.

It is an amenable number.

144542344 is a deficient number, since it is larger than the sum of its proper divisors (126474566).

144542344 is a wasteful number, since it uses less digits than its factorization.

144542344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18067799 (or 18067795 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 144542344 is about 12022.5764293682. The cubic root of 144542344 is about 524.8054837972.

Adding to 144542344 its reverse (443245441), we get a palindrome (587787785).

The spelling of 144542344 in words is "one hundred forty-four million, five hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 18067793 36135586 72271172 144542344