45007289 has 2 divisors, whose sum is σ = 45007290. Its totient is φ = 45007288.

The previous prime is 45007273. The next prime is 45007309. The reversal of 45007289 is 98270054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 984064 = 6635^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 45007289 - 2⁴ = 45007273 is a prime.

It is a Chen prime.

It is equal to p_2718593 and since 45007289 and 2718593 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45001289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22503644 + 22503645.

It is an arithmetic number, because the mean of its divisors is an integer number (22503645).

Almost surely, 2^45007289 is an apocalyptic number.

It is an amenable number.

45007289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45007289 is an equidigital number, since it uses as much as digits as its factorization.

45007289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 45007289 is about 6708.7472004839. The cubic root of 45007289 is about 355.7085340013.

The spelling of 45007289 in words is "forty-five million, seven thousand, two hundred eighty-nine".