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145814032 = 247131743137
BaseRepresentation
bin10001011000011…
…11001000010000
3101011101010020201
420230033020100
5244312022112
622245144544
73420253540
oct1054171020
9334333221
10145814032
1175343271
12409bb154
13242947c0
1415519320
15cc04257
hex8b0f210

145814032 has 160 divisors (see below), whose sum is σ = 379475712. Its totient is φ = 52641792.

The previous prime is 145814029. The next prime is 145814041. The reversal of 145814032 is 230418541.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1064268 + ... + 1064404.

Almost surely, 2145814032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145814032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189737856).

145814032 is an abundant number, since it is smaller than the sum of its proper divisors (233661680).

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

145814032 is a wasteful number, since it uses less digits than its factorization.

145814032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 145814032 is about 12075.3481109242. The cubic root of 145814032 is about 526.3400770350.

The spelling of 145814032 in words is "one hundred forty-five million, eight hundred fourteen thousand, thirty-two".

Divisors: 1 2 4 7 8 13 14 16 17 26 28 34 43 52 56 68 86 91 104 112 119 136 137 172 182 208 221 238 272 274 301 344 364 442 476 548 559 602 688 728 731 884 952 959 1096 1118 1204 1456 1462 1547 1768 1781 1904 1918 2192 2236 2329 2408 2924 3094 3536 3562 3836 3913 4472 4658 4816 5117 5848 5891 6188 7124 7672 7826 8944 9316 9503 10234 11696 11782 12376 12467 14248 15344 15652 16303 18632 19006 20468 23564 24752 24934 28496 30277 31304 32606 37264 38012 40936 41237 47128 49868 60554 62608 65212 66521 76024 76583 81872 82474 94256 99736 100147 121108 130424 133042 152048 153166 164948 199472 200294 211939 242216 260848 266084 306332 329896 400588 423878 484432 532168 536081 612664 659792 701029 801176 847756 1064336 1072162 1225328 1301911 1402058 1602352 1695512 2144324 2603822 2804116 3391024 4288648 5207644 5608232 8577296 9113377 10415288 11216464 18226754 20830576 36453508 72907016 145814032