45047201 has 2 divisors, whose sum is σ = 45047202. Its totient is φ = 45047200.

The previous prime is 45047147. The next prime is 45047203. The reversal of 45047201 is 10274054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 2131600 = 6551^2 + 1460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45047201 is a prime.

Together with 45047203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45047203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22523600 + 22523601.

It is an arithmetic number, because the mean of its divisors is an integer number (22523601).

Almost surely, 2^45047201 is an apocalyptic number.

It is an amenable number.

45047201 is a deficient number, since it is larger than the sum of its proper divisors (1).

45047201 is an equidigital number, since it uses as much as digits as its factorization.

45047201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45047201 is about 6711.7211652452. The cubic root of 45047201 is about 355.8136491563.

The spelling of 45047201 in words is "forty-five million, forty-seven thousand, two hundred one".