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1145520053 is a prime number
BaseRepresentation
bin100010001000111…
…0011111110110101
32221211111110002122
41010101303332311
54321223120203
6305400245325
740246521416
oct10421637665
92854443078
101145520053
11538686197
1227b770845
1315342ac22
14ac1cb80d
156a878538
hex44473fb5

1145520053 has 2 divisors, whose sum is σ = 1145520054. Its totient is φ = 1145520052.

The previous prime is 1145520031. The next prime is 1145520071. The reversal of 1145520053 is 3500255411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140953284 + 4566769 = 33778^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145520053 - 28 = 1145519797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145520353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572760026 + 572760027.

It is an arithmetic number, because the mean of its divisors is an integer number (572760027).

Almost surely, 21145520053 is an apocalyptic number.

It is an amenable number.

1145520053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145520053 is an equidigital number, since it uses as much as digits as its factorization.

1145520053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1145520053 is about 33845.5322457780. The cubic root of 1145520053 is about 1046.3273207969.

Adding to 1145520053 its reverse (3500255411), we get a palindrome (4645775464).

The spelling of 1145520053 in words is "one billion, one hundred forty-five million, five hundred twenty thousand, fifty-three".