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145580112 = 24331743461
BaseRepresentation
bin10001010110101…
…10000001010000
3101010221020101000
420223112001100
5244232030422
622240142000
73415260546
oct1053260120
9333836330
10145580112
11751a3547
1240907900
13242121a2
1415497d96
15cba9cac
hex8ad6050

145580112 has 160 divisors (see below), whose sum is σ = 453720960. Its totient is φ = 44513280.

The previous prime is 145580111. The next prime is 145580119. The reversal of 145580112 is 211085541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145580111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315562 + ... + 316022.

It is an arithmetic number, because the mean of its divisors is an integer number (2835756).

Almost surely, 2145580112 is an apocalyptic number.

145580112 is a gapful number since it is divisible by the number (12) 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 145580112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226860480).

145580112 is an abundant number, since it is smaller than the sum of its proper divisors (308140848).

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

145580112 is a wasteful number, since it uses less digits than its factorization.

145580112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 145580112 is about 12065.6583740797. The cubic root of 145580112 is about 526.0584686363.

The spelling of 145580112 in words is "one hundred forty-five million, five hundred eighty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 43 48 51 54 68 72 86 102 108 129 136 144 153 172 204 216 258 272 306 344 387 408 432 459 461 516 612 688 731 774 816 918 922 1032 1161 1224 1383 1462 1548 1836 1844 2064 2193 2322 2448 2766 2924 3096 3672 3688 4149 4386 4644 5532 5848 6192 6579 7344 7376 7837 8298 8772 9288 11064 11696 12447 13158 15674 16596 17544 18576 19737 19823 22128 23511 24894 26316 31348 33192 35088 39474 39646 47022 49788 52632 59469 62696 66384 70533 78948 79292 94044 99576 105264 118938 125392 141066 157896 158584 178407 188088 199152 211599 237876 282132 315792 317168 336991 356814 376176 423198 475752 535221 564264 673982 713628 846396 951504 1010973 1070442 1128528 1347964 1427256 1692792 2021946 2140884 2695928 2854512 3032919 3385584 4043892 4281768 5391856 6065838 8087784 8563536 9098757 12131676 16175568 18197514 24263352 36395028 48526704 72790056 145580112