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145345076240 = 24571335335651
BaseRepresentation
bin1000011101011100111…
…1011101110000010000
3111220011100101212220212
42013113033131300100
54340131314414430
6150434241223252
713333533522650
oct2072717356020
9456140355825
10145345076240
1156705563021
1224203931b28
13109240718c0
14706b478360
153baa0dcb95
hex21d73ddc10

145345076240 has 160 divisors (see below), whose sum is σ = 416101867776. Its totient is φ = 45978163200.

The previous prime is 145345076231. The next prime is 145345076267. The reversal of 145345076240 is 42670543541.

145345076240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1453450762402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25717415 + ... + 25723065.

Almost surely, 2145345076240 is an apocalyptic number.

145345076240 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 145345076240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208050933888).

145345076240 is an abundant number, since it is smaller than the sum of its proper divisors (270756791536).

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

145345076240 is a wasteful number, since it uses less digits than its factorization.

145345076240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 145345076240 in words is "one hundred forty-five billion, three hundred forty-five million, seventy-six thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3533 3640 5651 7066 7280 11302 14132 17665 22604 24731 28255 28264 35330 39557 45208 45929 49462 56510 56528 70660 73463 79114 90416 91858 98924 113020 123655 141320 146926 158228 183716 197785 197848 226040 229645 247310 282640 293852 316456 321503 367315 367432 395570 395696 452080 459290 494620 514241 587704 632912 643006 734630 734864 791140 918580 989240 1028482 1175408 1286012 1469260 1582280 1607515 1837160 1978480 2056964 2571205 2572024 2938520 3164560 3215030 3674320 4113928 5142410 5144048 5877040 6430060 8227856 10284820 12860120 19964983 20569640 25720240 39929966 41139280 79859932 99824915 139754881 159719864 199649830 259544779 279509762 319439728 399299660 519089558 559019524 698774405 798599320 1038179116 1118039048 1297723895 1397548810 1597198640 1816813453 2076358232 2236078096 2595447790 2795097620 3633626906 4152716464 5190895580 5590195240 7267253812 9084067265 10381791160 11180390480 14534507624 18168134530 20763582320 29069015248 36336269060 72672538120 145345076240