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145340342300 = 2252171910614241
BaseRepresentation
bin1000011101011011110…
…1011010000000011100
3111220011000111101011202
42013112331122000130
54340124111423200
6150433551535032
713333445345246
oct2072675320034
9456130441152
10145340342300
115670291a37a
122420222a478
13109230a4c5a
14706a9a5096
153ba99a51d5
hex21d6f5a01c

145340342300 has 144 divisors (see below), whose sum is σ = 351930912480. Its totient is φ = 51775488000.

The previous prime is 145340342261. The next prime is 145340342327. The reversal of 145340342300 is 3243043541.

It is a super-2 number, since 2×1453403423002 (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 47 ways as a sum of consecutive naturals, for example, 34268180 + ... + 34272420.

It is an arithmetic number, because the mean of its divisors is an integer number (2443964670).

Almost surely, 2145340342300 is an apocalyptic number.

145340342300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145340342300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175965456240).

145340342300 is an abundant number, since it is smaller than the sum of its proper divisors (206590570180).

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

145340342300 is a wasteful number, since it uses less digits than its factorization.

145340342300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 145340342300 its reverse (3243043541), we get a palindrome (148583385841).

The spelling of 145340342300 in words is "one hundred forty-five billion, three hundred forty million, three hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 17 19 20 25 34 38 50 68 76 85 95 100 170 190 323 340 380 425 475 646 850 950 1061 1292 1615 1700 1900 2122 3230 4241 4244 5305 6460 8075 8482 10610 16150 16964 18037 20159 21205 21220 26525 32300 36074 40318 42410 53050 72097 72148 80579 80636 84820 90185 100795 106025 106100 144194 161158 180370 201590 212050 288388 322316 342703 360485 360740 402895 403180 424100 450925 503975 685406 720970 805790 901850 1007950 1369843 1370812 1441940 1611580 1713515 1802425 1803700 2014475 2015900 2739686 3427030 3604850 4028950 4499701 5479372 6849215 6854060 7209700 8057900 8567575 8999402 13698430 17135150 17998804 22498505 27396860 34246075 34270300 44997010 68492150 76494917 85494319 89994020 112492525 136984300 152989834 170988638 224985050 305979668 341977276 382474585 427471595 449970100 764949170 854943190 1453403423 1529898340 1709886380 1912372925 2137357975 2906806846 3824745850 4274715950 5813613692 7267017115 7649491700 8549431900 14534034230 29068068460 36335085575 72670171150 145340342300