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45044245 = 524773637
BaseRepresentation
bin1010101111010…
…1001000010101
310010202111002101
42223311020111
543012403440
64245242101
71054604221
oct253651025
9103674071
1045044245
1123476454
1213103331
1394417cc
145da7781
153e4b69a
hex2af5215

45044245 has 8 divisors (see below), whose sum is σ = 54089784. Its totient is φ = 36010944.

The previous prime is 45044239. The next prime is 45044249. The reversal of 45044245 is 54244054.

45044245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 45037521 = 82^2 + 6711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45044245 - 25 = 45044213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10567 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (6761223).

Almost surely, 245044245 is an apocalyptic number.

It is an amenable number.

45044245 is a deficient number, since it is larger than the sum of its proper divisors (9045539).

45044245 is a wasteful number, since it uses less digits than its factorization.

45044245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 45044245 is about 6711.5009498621. The cubic root of 45044245 is about 355.8058661485.

Adding to 45044245 its reverse (54244054), we get a palindrome (99288299).

The spelling of 45044245 in words is "forty-five million, forty-four thousand, two hundred forty-five".

Divisors: 1 5 2477 3637 12385 18185 9008849 45044245