45867389 has 2 divisors, whose sum is σ = 45867390. Its totient is φ = 45867388.

The previous prime is 45867331. The next prime is 45867401. The reversal of 45867389 is 98376854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 1844164 = 6635^2 + 1358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45867389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45867319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22933694 + 22933695.

It is an arithmetic number, because the mean of its divisors is an integer number (22933695).

Almost surely, 2^45867389 is an apocalyptic number.

It is an amenable number.

45867389 is a deficient number, since it is larger than the sum of its proper divisors (1).

45867389 is an equidigital number, since it uses as much as digits as its factorization.

45867389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 45867389 is about 6772.5467144937. The cubic root of 45867389 is about 357.9601429781.

The spelling of 45867389 in words is "forty-five million, eight hundred sixty-seven thousand, three hundred eighty-nine".