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45136213 is a prime number
BaseRepresentation
bin1010110000101…
…1100101010101
310010221011020121
42230023211111
543023324323
64251231541
71055436313
oct254134525
9103834217
1045136213
1123529561
12131485b1
139474625
145dcd0b3
153e68a5d
hex2b0b955

45136213 has 2 divisors, whose sum is σ = 45136214. Its totient is φ = 45136212.

The previous prime is 45136211. The next prime is 45136237. The reversal of 45136213 is 31263154.

45136213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 2010724 = 6567^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 45136213 - 21 = 45136211 is a prime.

Together with 45136211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45136211) 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 as a sum of consecutive naturals, namely, 22568106 + 22568107.

It is an arithmetic number, because the mean of its divisors is an integer number (22568107).

Almost surely, 245136213 is an apocalyptic number.

It is an amenable number.

45136213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45136213 is an equidigital number, since it uses as much as digits as its factorization.

45136213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 45136213 is about 6718.3489787298. The cubic root of 45136213 is about 356.0478542118.

Adding to 45136213 its reverse (31263154), we get a palindrome (76399367).

The spelling of 45136213 in words is "forty-five million, one hundred thirty-six thousand, two hundred thirteen".