45877189 has 2 divisors, whose sum is σ = 45877190. Its totient is φ = 45877188.

The previous prime is 45877187. The next prime is 45877193. The reversal of 45877189 is 98177854.

45877189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 15737089 = 5490^2 + 3967^2 .

It is a cyclic number.

It is not a de Polignac number, because 45877189 - 2¹ = 45877187 is a prime.

Together with 45877187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45877187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22938594 + 22938595.

It is an arithmetic number, because the mean of its divisors is an integer number (22938595).

Almost surely, 2^45877189 is an apocalyptic number.

It is an amenable number.

45877189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45877189 is an equidigital number, since it uses as much as digits as its factorization.

45877189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 49.

The square root of 45877189 is about 6773.2701850731. The cubic root of 45877189 is about 357.9856350155.

The spelling of 45877189 in words is "forty-five million, eight hundred seventy-seven thousand, one hundred eighty-nine".