Search a number
-
+
145525968 = 24327236277
BaseRepresentation
bin10001010110010…
…00110011010000
3101010211111002200
420223020303100
5244223312333
622235043200
73414643650
oct1053106320
9333744080
10145525968
11751668a5
12408a0500
13241c3653
1415482360
15cb98c13
hex8ac8cd0

145525968 has 120 divisors (see below), whose sum is σ = 485766528. Its totient is φ = 39764736.

The previous prime is 145525949. The next prime is 145525987. The reversal of 145525968 is 869525541.

145525968 is a `hidden beast` number, since 1 + 4 + 5 + 52 + 596 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (145525949) and next prime (145525987).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20046 + ... + 26322.

Almost surely, 2145525968 is an apocalyptic number.

145525968 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 145525968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242883264).

145525968 is an abundant number, since it is smaller than the sum of its proper divisors (340240560).

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

145525968 is a wasteful number, since it uses less digits than its factorization.

145525968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321 (or 6312 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 145525968 is about 12063.4144420226. The cubic root of 145525968 is about 525.9932435146.

The spelling of 145525968 in words is "one hundred forty-five million, five hundred twenty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 36 42 46 48 56 63 69 72 84 92 112 126 138 144 161 168 184 207 252 276 322 336 368 414 483 504 552 644 828 966 1008 1104 1288 1449 1656 1932 2576 2898 3312 3864 5796 6277 7728 11592 12554 18831 23184 25108 37662 43939 50216 56493 75324 87878 100432 112986 131817 144371 150648 175756 225972 263634 288742 301296 351512 395451 433113 451944 527268 577484 703024 790902 866226 903888 1010597 1054536 1154968 1299339 1581804 1732452 2021194 2109072 2309936 2598678 3031791 3163608 3464904 4042388 5197356 6063582 6327216 6929808 8084776 9095373 10394712 12127164 16169552 18190746 20789424 24254328 36381492 48508656 72762984 145525968