45219589 has 2 divisors, whose sum is σ = 45219590. Its totient is φ = 45219588.

The previous prime is 45219571. The next prime is 45219599. The reversal of 45219589 is 98591254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 3034564 = 6495^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 45219589 - 2⁹ = 45219077 is a prime.

It is a super-2 number, since 2×45219589² = 4089622458657842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45219599) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22609794 + 22609795.

It is an arithmetic number, because the mean of its divisors is an integer number (22609795).

Almost surely, 2^45219589 is an apocalyptic number.

It is an amenable number.

45219589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45219589 is an equidigital number, since it uses as much as digits as its factorization.

45219589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The square root of 45219589 is about 6724.5512117910. The cubic root of 45219589 is about 356.2669509119.

The spelling of 45219589 in words is "forty-five million, two hundred nineteen thousand, five hundred eighty-nine".