45020243 has 2 divisors, whose sum is σ = 45020244. Its totient is φ = 45020242.

The previous prime is 45020207. The next prime is 45020249. The reversal of 45020243 is 34202054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45020243 - 2¹⁴ = 45003859 is a prime.

It is not a weakly prime, because it can be changed into another prime (45020249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22510121 + 22510122.

It is an arithmetic number, because the mean of its divisors is an integer number (22510122).

Almost surely, 2^45020243 is an apocalyptic number.

45020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

45020243 is an equidigital number, since it uses as much as digits as its factorization.

45020243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45020243 is about 6709.7125869891. The cubic root of 45020243 is about 355.7426574099.

Adding to 45020243 its reverse (34202054), we get a palindrome (79222297).

The spelling of 45020243 in words is "forty-five million, twenty thousand, two hundred forty-three".