45341209 has 2 divisors, whose sum is σ = 45341210. Its totient is φ = 45341208.

The previous prime is 45341183. The next prime is 45341267. The reversal of 45341209 is 90214354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42771600 + 2569609 = 6540^2 + 1603^2 .

It is a cyclic number.

It is not a de Polignac number, because 45341209 - 2⁷ = 45341081 is a prime.

It is not a weakly prime, because it can be changed into another prime (45341509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22670604 + 22670605.

It is an arithmetic number, because the mean of its divisors is an integer number (22670605).

Almost surely, 2^45341209 is an apocalyptic number.

It is an amenable number.

45341209 is a deficient number, since it is larger than the sum of its proper divisors (1).

45341209 is an equidigital number, since it uses as much as digits as its factorization.

45341209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45341209 is about 6733.5881222421. The cubic root of 45341209 is about 356.5860633455.

The spelling of 45341209 in words is "forty-five million, three hundred forty-one thousand, two hundred nine".