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45161069 is a prime number
BaseRepresentation
bin1010110001000…
…1101001101101
310010222102100012
42230101221231
543030123234
64251543005
71055601632
oct254215155
9103872305
1045161069
11235461a8
121315aa65
139482a35
145dd8189
153e710ce
hex2b11a6d

45161069 has 2 divisors, whose sum is σ = 45161070. Its totient is φ = 45161068.

The previous prime is 45161059. The next prime is 45161087. The reversal of 45161069 is 96016154.

45161069 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., 23164969 + 21996100 = 4813^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 45161069 - 28 = 45160813 is a prime.

It is a super-2 number, since 2×451610692 = 4079044306445522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45161059) 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, 22580534 + 22580535.

It is an arithmetic number, because the mean of its divisors is an integer number (22580535).

Almost surely, 245161069 is an apocalyptic number.

It is an amenable number.

45161069 is a deficient number, since it is larger than the sum of its proper divisors (1).

45161069 is an equidigital number, since it uses as much as digits as its factorization.

45161069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 45161069 is about 6720.1985833753. The cubic root of 45161069 is about 356.1131993885.

The spelling of 45161069 in words is "forty-five million, one hundred sixty-one thousand, sixty-nine".