45308449 has 2 divisors, whose sum is σ = 45308450. Its totient is φ = 45308448.

The previous prime is 45308429. The next prime is 45308467. The reversal of 45308449 is 94480354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 19298449 = 5100^2 + 4393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45308449 is a prime.

It is not a weakly prime, because it can be changed into another prime (45308429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22654224 + 22654225.

It is an arithmetic number, because the mean of its divisors is an integer number (22654225).

Almost surely, 2^45308449 is an apocalyptic number.

It is an amenable number.

45308449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45308449 is an equidigital number, since it uses as much as digits as its factorization.

45308449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 45308449 is about 6731.1551014666. The cubic root of 45308449 is about 356.5001622836.

It can be divided in two parts, 453084 and 49, that multiplied together give a triangular number (22201116 = T₆₆₆₃).

The spelling of 45308449 in words is "forty-five million, three hundred eight thousand, four hundred forty-nine".