45873889 has 2 divisors, whose sum is σ = 45873890. Its totient is φ = 45873888.

The previous prime is 45873859. The next prime is 45873913. The reversal of 45873889 is 98837854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28998225 + 16875664 = 5385^2 + 4108^2 .

It is a cyclic number.

It is not a de Polignac number, because 45873889 - 2²¹ = 43776737 is a prime.

It is not a weakly prime, because it can be changed into another prime (45873829) 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, 22936944 + 22936945.

It is an arithmetic number, because the mean of its divisors is an integer number (22936945).

Almost surely, 2^45873889 is an apocalyptic number.

It is an amenable number.

45873889 is a deficient number, since it is larger than the sum of its proper divisors (1).

45873889 is an equidigital number, since it uses as much as digits as its factorization.

45873889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 45873889 is about 6773.0265760589. The cubic root of 45873889 is about 357.9770513675.

It can be divided in two parts, 458 and 73889, that added together give a palindrome (74347).

The spelling of 45873889 in words is "forty-five million, eight hundred seventy-three thousand, eight hundred eighty-nine".