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145244345340 = 223517473029711
BaseRepresentation
bin1000011101000100111…
…1001101001111111100
3111212220022212020002210
42013101033031033330
54334430023022330
6150420242220420
713331201364603
oct2072117151774
9455808766083
10145244345340
1156663712446
1224196054710
1310909233513
14705bd36a3a
153ba13418b0
hex21d13cd3fc

145244345340 has 96 divisors (see below), whose sum is σ = 439768756224. Its totient is φ = 35677864960.

The previous prime is 145244345327. The next prime is 145244345341. The reversal of 145244345340 is 43543442541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244345341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1466916 + ... + 1562795.

It is an arithmetic number, because the mean of its divisors is an integer number (4580924544).

Almost surely, 2145244345340 is an apocalyptic number.

145244345340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145244345340 is an abundant number, since it is smaller than the sum of its proper divisors (294524410884).

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

145244345340 is a wasteful number, since it uses less digits than its factorization.

145244345340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029787 (or 3029785 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 145244345340 its reverse (43543442541), we get a palindrome (188787787881).

The spelling of 145244345340 in words is "one hundred forty-five billion, two hundred forty-four million, three hundred forty-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 47 51 60 68 85 94 102 141 170 188 204 235 255 282 340 470 510 564 705 799 940 1020 1410 1598 2397 2820 3196 3995 4794 7990 9588 11985 15980 23970 47940 3029711 6059422 9089133 12118844 15148555 18178266 30297110 36356532 45445665 51505087 60594220 90891330 103010174 142396417 154515261 181782660 206020348 257525435 284792834 309030522 427189251 515050870 569585668 618061044 711982085 772576305 854378502 1030101740 1423964170 1545152610 1708757004 2135946255 2420739089 2847928340 3090305220 4271892510 4841478178 7262217267 8543785020 9682956356 12103695445 14524434534 24207390890 29048869068 36311086335 48414781780 72622172670 145244345340