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144542255132 = 221121737474787
BaseRepresentation
bin1000011010011101100…
…0111100100000011100
3111211002101202100101202
42012213120330200130
54332010304131012
6150222442055032
713304614616432
oct2064730744034
9454071670352
10144542255132
1156333375700
122401aaaa478
1310826941922
146dd29b6d52
153b5e8a9cc2
hex21a763c81c

144542255132 has 72 divisors (see below), whose sum is σ = 302346897552. Its totient is φ = 60164881920.

The previous prime is 144542255131. The next prime is 144542255141. The reversal of 144542255132 is 231552245441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144542255131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67043 + ... + 541829.

It is an arithmetic number, because the mean of its divisors is an integer number (4199262466).

Almost surely, 2144542255132 is an apocalyptic number.

It is an amenable number.

144542255132 is an abundant number, since it is smaller than the sum of its proper divisors (157804642420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144542255132 is a wasteful number, since it uses less digits than its factorization.

144542255132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474867 (or 474854 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

The spelling of 144542255132 in words is "one hundred forty-four billion, five hundred forty-two million, two hundred fifty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 37 44 68 74 121 148 187 242 374 407 484 629 748 814 1258 1628 2057 2516 4114 4477 6919 8228 8954 13838 17908 27676 76109 152218 304436 474787 949574 1899148 5222657 8071379 10445314 16142758 17567119 20890628 32285516 35134238 57449227 70268476 88785169 114898454 177570338 193238309 229796908 298641023 355140676 386476618 597282046 772953236 976636859 1194564092 1953273718 2125621399 3285051253 3906547436 4251242798 6570102506 8502485596 13140205012 36135563783 72271127566 144542255132