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145255301040 = 24354712877243
BaseRepresentation
bin1000011101000111100…
…0111111111110110000
3111212221002110211111110
42013101320333332300
54334440324113130
6150421313113320
713331363454453
oct2072170777660
9455832424443
10145255301040
1156669915643
1224199858840
131090b59b095
14705d58949a
153ba22a7ab0
hex21d1e3ffb0

145255301040 has 80 divisors (see below), whose sum is σ = 459872137728. Its totient is φ = 37910600448.

The previous prime is 145255301011. The next prime is 145255301047. The reversal of 145255301040 is 40103552541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 145255300989 and 145255301007.

It is not an unprimeable number, because it can be changed into a prime (145255301047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6427342 + ... + 6449901.

Almost surely, 2145255301040 is an apocalyptic number.

145255301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145255301040 is an abundant number, since it is smaller than the sum of its proper divisors (314616836688).

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

145255301040 is a wasteful number, since it uses less digits than its factorization.

145255301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12877306 (or 12877300 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 145255301040 its reverse (40103552541), we get a palindrome (185358853581).

The spelling of 145255301040 in words is "one hundred forty-five billion, two hundred fifty-five million, three hundred one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 47 48 60 80 94 120 141 188 235 240 282 376 470 564 705 752 940 1128 1410 1880 2256 2820 3760 5640 11280 12877243 25754486 38631729 51508972 64386215 77263458 103017944 128772430 154526916 193158645 206035888 257544860 309053832 386317290 515089720 605230421 618107664 772634580 1030179440 1210460842 1545269160 1815691263 2420921684 3026152105 3090538320 3631382526 4841843368 6052304210 7262765052 9078456315 9683686736 12104608420 14525530104 18156912630 24209216840 29051060208 36313825260 48418433680 72627650520 145255301040