45361289 has 2 divisors, whose sum is σ = 45361290. Its totient is φ = 45361288.

The previous prime is 45361279. The next prime is 45361319. The reversal of 45361289 is 98216354.

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., 42471289 + 2890000 = 6517^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 45361289 - 2⁴ = 45361273 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45361279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22680644 + 22680645.

It is an arithmetic number, because the mean of its divisors is an integer number (22680645).

Almost surely, 2^45361289 is an apocalyptic number.

It is an amenable number.

45361289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45361289 is an equidigital number, since it uses as much as digits as its factorization.

45361289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 45361289 is about 6735.0789898857. The cubic root of 45361289 is about 356.6386953152.

The spelling of 45361289 in words is "forty-five million, three hundred sixty-one thousand, two hundred eighty-nine".