45282109 has 2 divisors, whose sum is σ = 45282110. Its totient is φ = 45282108.

The previous prime is 45282091. The next prime is 45282173. The reversal of 45282109 is 90128254.

Together with previous prime (45282091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 1258884 = 6635^2 + 1122^2 .

It is a cyclic number.

It is not a de Polignac number, because 45282109 - 2¹⁵ = 45249341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45282179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22641054 + 22641055.

It is an arithmetic number, because the mean of its divisors is an integer number (22641055).

Almost surely, 2^45282109 is an apocalyptic number.

It is an amenable number.

45282109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45282109 is an equidigital number, since it uses as much as digits as its factorization.

45282109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 45282109 is about 6729.1982434760. The cubic root of 45282109 is about 356.4310652776.

The spelling of 45282109 in words is "forty-five million, two hundred eighty-two thousand, one hundred nine".