45362189 has 2 divisors, whose sum is σ = 45362190. Its totient is φ = 45362188.

The previous prime is 45362179. The next prime is 45362221. The reversal of 45362189 is 98126354.

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., 45333289 + 28900 = 6733^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 45362189 - 2⁴ = 45362173 is a prime.

It is equal to p_2738846 and since 45362189 and 2738846 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45362159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22681094 + 22681095.

It is an arithmetic number, because the mean of its divisors is an integer number (22681095).

Almost surely, 2^45362189 is an apocalyptic number.

It is an amenable number.

45362189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45362189 is an equidigital number, since it uses as much as digits as its factorization.

45362189 is an odious number, because the sum of its binary digits is odd.

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

The square root of 45362189 is about 6735.1458039155. The cubic root of 45362189 is about 356.6410539541.

The spelling of 45362189 in words is "forty-five million, three hundred sixty-two thousand, one hundred eighty-nine".