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4545230281 is a prime number
BaseRepresentation
bin1000011101110101…
…01011010111001001
3102201202122121210021
410032322223113021
533302034332111
62031004020441
7220430551144
oct41672532711
912652577707
104545230281
111a22733869
12a6a231721
13575881b97
1431192105b
151b9074d71
hex10eeab5c9

4545230281 has 2 divisors, whose sum is σ = 4545230282. Its totient is φ = 4545230280.

The previous prime is 4545230201. The next prime is 4545230321. The reversal of 4545230281 is 1820325454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2860538256 + 1684692025 = 53484^2 + 41045^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545230281 - 27 = 4545230153 is a prime.

It is a super-2 number, since 2×45452302812 = 41318236614638677922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545230201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272615140 + 2272615141.

It is an arithmetic number, because the mean of its divisors is an integer number (2272615141).

Almost surely, 24545230281 is an apocalyptic number.

It is an amenable number.

4545230281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545230281 is an equidigital number, since it uses as much as digits as its factorization.

4545230281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 4545230281 is about 67418.3230361005. The cubic root of 4545230281 is about 1656.4765689507.

The spelling of 4545230281 in words is "four billion, five hundred forty-five million, two hundred thirty thousand, two hundred eighty-one".