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45513045 = 3255871723
BaseRepresentation
bin1010110110011…
…1100101010101
310011122022011100
42231213211111
543122404140
64303300313
71061566044
oct255474525
9104568140
1045513045
1123766696
12132aa699
139576cc6
14608a55b
153ee0530
hex2b67955

45513045 has 24 divisors (see below), whose sum is σ = 79069536. Its totient is φ = 24218208.

The previous prime is 45513031. The next prime is 45513073. The reversal of 45513045 is 54031554.

It is not a de Polignac number, because 45513045 - 26 = 45512981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25554 + ... + 27276.

It is an arithmetic number, because the mean of its divisors is an integer number (3294564).

Almost surely, 245513045 is an apocalyptic number.

45513045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45513045 is a deficient number, since it is larger than the sum of its proper divisors (33556491).

45513045 is a wasteful number, since it uses less digits than its factorization.

45513045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2318 counting only the distinct ones).

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

The square root of 45513045 is about 6746.3356720519. The cubic root of 45513045 is about 357.0359637051.

Adding to 45513045 its reverse (54031554), we get a palindrome (99544599).

The spelling of 45513045 in words is "forty-five million, five hundred thirteen thousand, forty-five".

Divisors: 1 3 5 9 15 45 587 1723 1761 2935 5169 5283 8615 8805 15507 25845 26415 77535 1011401 3034203 5057005 9102609 15171015 45513045