45309361 has 2 divisors, whose sum is σ = 45309362. Its totient is φ = 45309360.

The previous prime is 45309347. The next prime is 45309367. The reversal of 45309361 is 16390354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28037025 + 17272336 = 5295^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 45309361 - 2¹¹ = 45307313 is a prime.

It is not a weakly prime, because it can be changed into another prime (45309367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22654680 + 22654681.

It is an arithmetic number, because the mean of its divisors is an integer number (22654681).

Almost surely, 2^45309361 is an apocalyptic number.

It is an amenable number.

45309361 is a deficient number, since it is larger than the sum of its proper divisors (1).

45309361 is an equidigital number, since it uses as much as digits as its factorization.

45309361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 45309361 is about 6731.2228458134. Note that the first 3 decimals coincide. The cubic root of 45309361 is about 356.5025542287.

The spelling of 45309361 in words is "forty-five million, three hundred nine thousand, three hundred sixty-one".