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145514433345546 = 23171638752221421
BaseRepresentation
bin100001000101100000111000…
…000110111111100000001010
3201002020001012001110022011110
4201011200320012333200022
5123033102024414024141
61233252224031311150
742436033211242326
oct4105407006774012
9632201161408143
10145514433345546
1142402363085351
12143a180937b4b6
136326c4bc49885
1427d0d16b34986
1511c526ea22e16
hex8458381bf80a

145514433345546 has 32 divisors (see below), whose sum is σ = 310038691652928. Its totient is φ = 45371515841280.

The previous prime is 145514433345503. The next prime is 145514433345577. The reversal of 145514433345546 is 645543334415541.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 4376094085 + ... + 4376127336.

It is an arithmetic number, because the mean of its divisors is an integer number (9688709114154).

Almost surely, 2145514433345546 is an apocalyptic number.

145514433345546 is an abundant number, since it is smaller than the sum of its proper divisors (164524258307382).

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

145514433345546 is a wasteful number, since it uses less digits than its factorization.

145514433345546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752221606.

The product of its digits is 103680000, while the sum is 57.

The spelling of 145514433345546 in words is "one hundred forty-five trillion, five hundred fourteen billion, four hundred thirty-three million, three hundred forty-five thousand, five hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 163 326 489 978 2771 5542 8313 16626 8752221421 17504442842 26256664263 52513328526 148787764157 297575528314 446363292471 892726584942 1426612091623 2853224183246 4279836274869 8559672549738 24252405557591 48504811115182 72757216672773 145514433345546