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144242334452 = 2249377304149
BaseRepresentation
bin1000011001010110000…
…0110101101011110100
3111210022111101210120102
42012111200311223310
54330402014200302
6150133005453232
713264313420216
oct2062540655364
9453274353512
10144242334452
115619a045877
1223b56571218
13107a9770c78
146da4c245b6
153b433b4702
hex2195835af4

144242334452 has 12 divisors (see below), whose sum is σ = 252475248900. Its totient is φ = 72106549056.

The previous prime is 144242334437. The next prime is 144242334463. The reversal of 144242334452 is 254433242441.

It can be written as a sum of positive squares in 2 ways, for example, as 23078471056 + 121163863396 = 151916^2 + 348086^2 .

It is a super-2 number, since 2×1442423344522 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3632327 + ... + 3671822.

It is an arithmetic number, because the mean of its divisors is an integer number (21039604075).

Almost surely, 2144242334452 is an apocalyptic number.

It is an amenable number.

144242334452 is a deficient number, since it is larger than the sum of its proper divisors (108232914448).

144242334452 is a wasteful number, since it uses less digits than its factorization.

144242334452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309090 (or 7309088 counting only the distinct ones).

The product of its digits is 368640, while the sum is 38.

Adding to 144242334452 its reverse (254433242441), we get a palindrome (398675576893).

The spelling of 144242334452 in words is "one hundred forty-four billion, two hundred forty-two million, three hundred thirty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 4937 9874 19748 7304149 14608298 29216596 36060583613 72121167226 144242334452