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145452242650545 = 32573373379313211
BaseRepresentation
bin100001000100100110111101…
…010000010100010110110001
3201002000002122212200122211100
4201010212331100110112301
5123031042143104304140
61233203500545035013
742431402111121615
oct4104467520242661
9632002585618740
10145452242650545
1142388a4a053756
1214391751925a69
13632111a69846c
1427cbcd7347345
1511c382ece0530
hex8449bd4145b1

145452242650545 has 96 divisors (see below), whose sum is σ = 256933015447680. Its totient is φ = 76105158958080.

The previous prime is 145452242650543. The next prime is 145452242650577. The reversal of 145452242650545 is 545056242254541.

145452242650545 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 2 + 2 + 42 + 6 + 50 + 545 = 666.

It is not a de Polignac number, because 145452242650545 - 21 = 145452242650543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145452242650491 and 145452242650500.

It is not an unprimeable number, because it can be changed into a prime (145452242650541) 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, 464233990 + ... + 464547200.

It is an arithmetic number, because the mean of its divisors is an integer number (2676385577580).

Almost surely, 2145452242650545 is an apocalyptic number.

145452242650545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145452242650545 is a deficient number, since it is larger than the sum of its proper divisors (111480772797135).

145452242650545 is a wasteful number, since it uses less digits than its factorization.

145452242650545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314047 (or 314044 counting only the distinct ones).

The product of its (nonzero) digits is 38400000, while the sum is 54.

The spelling of 145452242650545 in words is "one hundred forty-five trillion, four hundred fifty-two billion, two hundred forty-two million, six hundred fifty thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 73 219 365 373 379 657 1095 1119 1137 1865 1895 3285 3357 3411 5595 5685 16785 17055 27229 27667 81687 83001 136145 138335 141367 245061 249003 313211 408435 415005 424101 706835 939633 1225305 1245015 1272303 1566055 2120505 2818899 4698165 6361515 10319791 14094495 22864403 30959373 51598955 68593209 92878119 114322015 116827703 118706969 154796865 205779627 342966045 350483109 356120907 464390595 584138515 593534845 1028898135 1051449327 1068362721 1752415545 1780604535 5257246635 5341813605 8528422319 8665608737 25585266957 25996826211 42642111595 43328043685 44277699437 76755800871 77990478633 127926334785 129984131055 132833098311 221388497185 383779004355 389952393165 398499294933 664165491555 1992496474665 3232272058901 9696816176703 16161360294505 29090448530109 48484080883515 145452242650545