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45105345 = 3251002341
BaseRepresentation
bin1010110000010…
…0000011000001
310010212120220100
42230010003001
543021332340
64250433013
71055250315
oct254040301
9103776810
1045105345
112350834a
1213132769
13946356c
145dc1b45
153e5e830
hex2b040c1

45105345 has 12 divisors (see below), whose sum is σ = 78182676. Its totient is φ = 24056160.

The previous prime is 45105343. The next prime is 45105367. The reversal of 45105345 is 54350154.

It can be written as a sum of positive squares in 2 ways, for example, as 12341169 + 32764176 = 3513^2 + 5724^2 .

It is not a de Polignac number, because 45105345 - 21 = 45105343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45105343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501126 + ... + 501215.

It is an arithmetic number, because the mean of its divisors is an integer number (6515223).

Almost surely, 245105345 is an apocalyptic number.

45105345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45105345 is a deficient number, since it is larger than the sum of its proper divisors (33077331).

45105345 is a wasteful number, since it uses less digits than its factorization.

45105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002352 (or 1002349 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45105345 is about 6716.0512952180. The cubic root of 45105345 is about 355.9666703847.

Adding to 45105345 its reverse (54350154), we get a palindrome (99455499).

The spelling of 45105345 in words is "forty-five million, one hundred five thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 1002341 3007023 5011705 9021069 15035115 45105345