45330749 has 2 divisors, whose sum is σ = 45330750. Its totient is φ = 45330748.

The previous prime is 45330709. The next prime is 45330757. The reversal of 45330749 is 94703354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 21252100 = 4907^2 + 4610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45330749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45330709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22665374 + 22665375.

It is an arithmetic number, because the mean of its divisors is an integer number (22665375).

Almost surely, 2^45330749 is an apocalyptic number.

It is an amenable number.

45330749 is a deficient number, since it is larger than the sum of its proper divisors (1).

45330749 is an equidigital number, since it uses as much as digits as its factorization.

45330749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 45330749 is about 6732.8113741586. The cubic root of 45330749 is about 356.5586403370.

The spelling of 45330749 in words is "forty-five million, three hundred thirty thousand, seven hundred forty-nine".