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45086189 is a prime number
BaseRepresentation
bin1010101111111…
…1010111101101
310010211121121212
42223333113231
543020224224
64250204205
71055140421
oct253772755
9103747555
1045086189
11234a4a15
1213123665
139457925
145db8b81
153e58d0e
hex2aff5ed

45086189 has 2 divisors, whose sum is σ = 45086190. Its totient is φ = 45086188.

The previous prime is 45086177. The next prime is 45086201. The reversal of 45086189 is 98168054.

It is a balanced prime because it is at equal distance from previous prime (45086177) and next prime (45086201).

It can be written as a sum of positive squares in only one way, i.e., 32604100 + 12482089 = 5710^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 45086189 - 216 = 45020653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45086389) by changing a digit.

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 as a sum of consecutive naturals, namely, 22543094 + 22543095.

It is an arithmetic number, because the mean of its divisors is an integer number (22543095).

Almost surely, 245086189 is an apocalyptic number.

It is an amenable number.

45086189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45086189 is an equidigital number, since it uses as much as digits as its factorization.

45086189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 45086189 is about 6714.6250081445. The cubic root of 45086189 is about 355.9162708657.

The spelling of 45086189 in words is "forty-five million, eighty-six thousand, one hundred eighty-nine".