Search a number
-
+
145858968 = 23343153137
BaseRepresentation
bin10001011000110…
…10000110011000
3101011110101220000
420230122012120
5244314441333
622250133000
73420531543
oct1054320630
9334411800
10145858968
1175374002
1240a21160
13242ac0a8
141552b85a
15cc12713
hex8b1a198

145858968 has 160 divisors (see below), whose sum is σ = 432812160. Its totient is φ = 45826560.

The previous prime is 145858961. The next prime is 145858981. The reversal of 145858968 is 869858541.

It is a happy number.

145858968 is a `hidden beast` number, since 1 + 4 + 58 + 589 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145858961) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1064596 + ... + 1064732.

It is an arithmetic number, because the mean of its divisors is an integer number (2705076).

Almost surely, 2145858968 is an apocalyptic number.

145858968 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 145858968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216406080).

145858968 is an abundant number, since it is smaller than the sum of its proper divisors (286953192).

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

145858968 is a wasteful number, since it uses less digits than its factorization.

145858968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 145858968 is about 12077.2086178885. The cubic root of 145858968 is about 526.3941394783.

The spelling of 145858968 in words is "one hundred forty-five million, eight hundred fifty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 53 54 62 72 81 93 106 108 124 137 159 162 186 212 216 248 274 279 318 324 372 411 424 477 548 558 636 648 744 822 837 954 1096 1116 1233 1272 1431 1643 1644 1674 1908 2232 2466 2511 2862 3286 3288 3348 3699 3816 4247 4293 4929 4932 5022 5724 6572 6696 7261 7398 8494 8586 9858 9864 10044 11097 11448 12741 13144 14522 14787 14796 16988 17172 19716 20088 21783 22194 25482 29044 29574 29592 33976 34344 38223 39432 43566 44361 44388 50964 58088 59148 65349 76446 87132 88722 88776 101928 114669 118296 130698 133083 152892 174264 177444 196047 225091 229338 261396 266166 305784 344007 354888 392094 450182 458676 522792 532332 588141 675273 688014 784188 900364 917352 1064664 1176282 1350546 1376028 1568376 1800728 2025819 2352564 2701092 2752056 4051638 4705128 5402184 6077457 8103276 12154914 16206552 18232371 24309828 36464742 48619656 72929484 145858968