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45758081 is a prime number
BaseRepresentation
bin1010111010001…
…1011010000001
310012002202021202
42232203122001
543203224311
64312430545
71063636325
oct256433201
9105082252
1045758081
11239137a6
12133a8455
1396316b5
146111985
15403ce3b
hex2ba3681

45758081 has 2 divisors, whose sum is σ = 45758082. Its totient is φ = 45758080.

The previous prime is 45758057. The next prime is 45758087. The reversal of 45758081 is 18085754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 4477456 = 6425^2 + 2116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45758081 is a prime.

It is a super-2 number, since 2×457580812 = 4187603953605122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45758087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22879040 + 22879041.

It is an arithmetic number, because the mean of its divisors is an integer number (22879041).

Almost surely, 245758081 is an apocalyptic number.

It is an amenable number.

45758081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45758081 is an equidigital number, since it uses as much as digits as its factorization.

45758081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 45758081 is about 6764.4719675670. The cubic root of 45758081 is about 357.6755614799.

The spelling of 45758081 in words is "forty-five million, seven hundred fifty-eight thousand, eighty-one".