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45066869 is a prime number
BaseRepresentation
bin1010101111101…
…0101001110101
310010210122010022
42223322221311
543014114434
64245534525
71055030201
oct253725165
9103718108
1045066869
1123491451
1213114445
13944bbb3
145db1b01
153e5322e
hex2afaa75

45066869 has 2 divisors, whose sum is σ = 45066870. Its totient is φ = 45066868.

The previous prime is 45066863. The next prime is 45066871. The reversal of 45066869 is 96866054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45064369 + 2500 = 6713^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45066869 is a prime.

It is a super-2 number, since 2×450668692 = 4062045362926322, which contains 22 as substring.

Together with 45066871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45066863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22533434 + 22533435.

It is an arithmetic number, because the mean of its divisors is an integer number (22533435).

Almost surely, 245066869 is an apocalyptic number.

It is an amenable number.

45066869 is a deficient number, since it is larger than the sum of its proper divisors (1).

45066869 is an equidigital number, since it uses as much as digits as its factorization.

45066869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 45066869 is about 6713.1862032868. The cubic root of 45066869 is about 355.8654254003.

The spelling of 45066869 in words is "forty-five million, sixty-six thousand, eight hundred sixty-nine".