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145351142205312 = 2733156921459187
BaseRepresentation
bin100001000011001000110011…
…001100101110011110000000
3201001122102201000100220111210
4201003020303030232132000
5123022413114401032222
61233045220511410120
742421162542404151
oct4103106314563600
9631572630326453
10145351142205312
114234a08952988a
1214376037523940
136314727bb04c4
1427c70660ad928
1511c0db4182d0c
hex84323332e780

145351142205312 has 128 divisors (see below), whose sum is σ = 399243900902400. Its totient is φ = 46805059768320.

The previous prime is 145351142205259. The next prime is 145351142205317. The reversal of 145351142205312 is 213502241153541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1453511422053122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145351142205317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3956218 + ... + 17502969.

It is an arithmetic number, because the mean of its divisors is an integer number (3119092975800).

Almost surely, 2145351142205312 is an apocalyptic number.

145351142205312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145351142205312 is an abundant number, since it is smaller than the sum of its proper divisors (253892758697088).

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

145351142205312 is a wasteful number, since it uses less digits than its factorization.

145351142205312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459804 (or 21459792 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 145351142205312 its reverse (213502241153541), we get a palindrome (358853383358853).

The spelling of 145351142205312 in words is "one hundred forty-five trillion, three hundred fifty-one billion, one hundred forty-two million, two hundred five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 128 186 192 248 372 384 496 569 744 992 1138 1488 1707 1984 2276 2976 3414 3968 4552 5952 6828 9104 11904 13656 17639 18208 27312 35278 36416 52917 54624 70556 72832 105834 109248 141112 211668 218496 282224 423336 564448 846672 1128896 1693344 2257792 3386688 6773376 21459187 42918374 64377561 85836748 128755122 171673496 257510244 343346992 515020488 665234797 686693984 1030040976 1330469594 1373387968 1995704391 2060081952 2660939188 2746775936 3991408782 4120163904 5321878376 7982817564 8240327808 10643756752 12210277403 15965635128 21287513504 24420554806 31931270256 36630832209 42575027008 48841109612 63862540512 73261664418 85150054016 97682219224 127725081024 146523328836 195364438448 255450162048 293046657672 378518599493 390728876896 586093315344 757037198986 781457753792 1135555798479 1172186630688 1514074397972 1562915507584 2271111596958 2344373261376 3028148795944 4542223193916 4688746522752 6056297591888 9084446387832 12112595183776 18168892775664 24225190367552 36337785551328 48450380735104 72675571102656 145351142205312