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145354968 = 233211223823
BaseRepresentation
bin10001010100111…
…11000011011000
3101010111210112100
420222133003120
5244202324333
622231243400
73413332263
oct1052370330
9333453470
10145354968
117505a380
1240819560
1324163875
1415439cda
15cb63213
hex8a9f0d8

145354968 has 96 divisors (see below), whose sum is σ = 431907840. Its totient is φ = 43796160.

The previous prime is 145354933. The next prime is 145354987. The reversal of 145354968 is 869453541.

145354968 is a `hidden beast` number, since 1 + 45 + 3 + 549 + 68 = 666.

It is a super-2 number, since 2×1453549682 = 42256133444562048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176205 + ... + 177027.

It is an arithmetic number, because the mean of its divisors is an integer number (4499040).

Almost surely, 2145354968 is an apocalyptic number.

145354968 is a gapful number since it is divisible by the number (18) 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 145354968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215953920).

145354968 is an abundant number, since it is smaller than the sum of its proper divisors (286552872).

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

145354968 is a wasteful number, since it uses less digits than its factorization.

145354968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1062 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 145354968 is about 12056.3248131427. The cubic root of 145354968 is about 525.7871403274.

It can be divided in two parts, 14535 and 4968, that added together give a triangular number (19503 = T197).

The spelling of 145354968 in words is "one hundred forty-five million, three hundred fifty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 223 264 396 446 669 792 823 892 1338 1646 1784 2007 2453 2469 2676 3292 4014 4906 4938 5352 6584 7359 7407 8028 9053 9812 9876 14718 14814 16056 18106 19624 19752 22077 27159 29436 29628 36212 44154 54318 58872 59256 72424 81477 88308 108636 162954 176616 183529 217272 325908 367058 550587 651816 734116 1101174 1468232 1651761 2018819 2202348 3303522 4037638 4404696 6056457 6607044 8075276 12112914 13214088 16150552 18169371 24225828 36338742 48451656 72677484 145354968