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245063145 = 3561726479
BaseRepresentation
bin11101001101101…
…01110111101001
3122002010111102210
432212311313221
51000214010040
640152315333
76034000545
oct1646656751
9562114383
10245063145
11116371628
126a0a2b49
133ba045a2
1424792a25
15167ab480
hexe9b5de9

245063145 has 16 divisors (see below), whose sum is σ = 392751360. Its totient is φ = 130483584.

The previous prime is 245063129. The next prime is 245063171. The reversal of 245063145 is 541360542.

It is not a de Polignac number, because 245063145 - 24 = 245063129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3985 + ... + 22494.

It is an arithmetic number, because the mean of its divisors is an integer number (24546960).

Almost surely, 2245063145 is an apocalyptic number.

It is an amenable number.

245063145 is a deficient number, since it is larger than the sum of its proper divisors (147688215).

245063145 is a wasteful number, since it uses less digits than its factorization.

245063145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27104.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 245063145 is about 15654.4928055814. The cubic root of 245063145 is about 625.7862276058.

The spelling of 245063145 in words is "two hundred forty-five million, sixty-three thousand, one hundred forty-five".

Divisors: 1 3 5 15 617 1851 3085 9255 26479 79437 132395 397185 16337543 49012629 81687715 245063145