45047741 has 2 divisors, whose sum is σ = 45047742. Its totient is φ = 45047740.

The previous prime is 45047719. The next prime is 45047747. The reversal of 45047741 is 14774054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 19545241 = 5050^2 + 4421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45047741 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45047698 and 45047707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45047747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22523870 + 22523871.

It is an arithmetic number, because the mean of its divisors is an integer number (22523871).

Almost surely, 2^45047741 is an apocalyptic number.

It is an amenable number.

45047741 is a deficient number, since it is larger than the sum of its proper divisors (1).

45047741 is an equidigital number, since it uses as much as digits as its factorization.

45047741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 45047741 is about 6711.7613932559. The cubic root of 45047741 is about 355.8150709139.

The spelling of 45047741 in words is "forty-five million, forty-seven thousand, seven hundred forty-one".