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144124424505 = 325731131572473
BaseRepresentation
bin1000011000111001111…
…1000011000100111001
3111210000021112100112100
42012032133003010321
54330131323041010
6150113154334013
713261352252355
oct2061637030471
9453007470470
10144124424505
1156139531336
1223b22b8a309
131078b1c9479
146d932d0465
153b37d732c0
hex218e7c3139

144124424505 has 96 divisors (see below), whose sum is σ = 257210063136. Its totient is φ = 74633674752.

The previous prime is 144124424501. The next prime is 144124424531. The reversal of 144124424505 is 505424421441.

144124424505 is a `hidden beast` number, since 1 + 4 + 4 + 124 + 4 + 24 + 505 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 64708675641 + 79415748864 = 254379^2 + 281808^2 .

It is not a de Polignac number, because 144124424505 - 22 = 144124424501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144124424505.

It is not an unprimeable number, because it can be changed into a prime (144124424501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58277949 + ... + 58280421.

It is an arithmetic number, because the mean of its divisors is an integer number (2679271491).

Almost surely, 2144124424505 is an apocalyptic number.

144124424505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144124424505 is a deficient number, since it is larger than the sum of its proper divisors (113085638631).

144124424505 is a wasteful number, since it uses less digits than its factorization.

144124424505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 144124424505 its reverse (505424421441), we get a palindrome (649548845946).

The spelling of 144124424505 in words is "one hundred forty-four billion, one hundred twenty-four million, four hundred twenty-four thousand, five hundred five".

Divisors: 1 3 5 9 15 45 73 113 157 219 339 365 471 565 657 785 1017 1095 1413 1695 2355 2473 3285 5085 7065 7419 8249 11461 12365 17741 22257 24747 34383 37095 41245 53223 57305 74241 88705 103149 111285 123735 159669 171915 180529 266115 279449 371205 388261 515745 541587 798345 838347 902645 1164783 1295093 1397245 1624761 1941305 2515041 2707935 3494349 3885279 4191735 5823915 6475465 8123805 11655837 12575205 17471745 19426395 20399777 28343053 43873493 58279185 61199331 85029159 101998885 131620479 141715265 183597993 219367465 255087477 305996655 394861437 425145795 658102395 917989965 1275437385 1974307185 3202764989 9608294967 16013824945 28824884901 48041474835 144124424505