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145253837536900 = 22521092110572
BaseRepresentation
bin100001000001101110001011…
…011000110111111010000100
3201001022010112200110121002221
4201001232023120313322010
5123014314324402140100
61232532405230542124
742411146334356221
oct4101561330677204
9631263480417087
10145253837536900
1142311896591254
121435b200367944
1363084bb911631
1427c2474dc8948
1511bd5bb8aa01a
hex841b8b637e84

145253837536900 has 81 divisors (see below), whose sum is σ = 318147881424429. Its totient is φ = 57563286888960.

The previous prime is 145253837536883. The next prime is 145253837536919. The reversal of 145253837536900 is 9635738352541.

The square root of 145253837536900 is 12052130.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 110867716831876 + 34386120705024 = 10529374^2 + 5863968^2 .

It is a super-2 number, since 2×1452538375369002 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13136816172 + ... + 13136827228.

It is a 1-persistent number, because it is pandigital, but 2⋅145253837536900 = 290507675073800 is not.

Almost surely, 2145253837536900 is an apocalyptic number.

145253837536900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145253837536900 is the 12052130-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145253837536900

145253837536900 is an abundant number, since it is smaller than the sum of its proper divisors (172894043887529).

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

145253837536900 is an frugal number, since it uses more digits than its factorization.

145253837536900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346 (or 11173 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 61.

The spelling of 145253837536900 in words is "one hundred forty-five trillion, two hundred fifty-three billion, eight hundred thirty-seven million, five hundred thirty-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109 218 436 545 1090 2180 2725 5450 10900 11057 11881 22114 23762 44228 47524 55285 59405 110570 118810 221140 237620 276425 297025 552850 594050 1105700 1188100 1205213 2410426 4820852 6026065 12052130 24104260 30130325 60260650 120521300 122257249 131368217 244514498 262736434 489028996 525472868 611286245 656841085 1222572490 1313682170 2445144980 2627364340 3056431225 3284205425 6112862450 6568410850 12225724900 13136821700 13326040141 26652080282 53304160564 66630200705 133260401410 266520802820 333151003525 666302007050 1332604014100 1452538375369 2905076750738 5810153501476 7262691876845 14525383753690 29050767507380 36313459384225 72626918768450 145253837536900