45673189 has 2 divisors, whose sum is σ = 45673190. Its totient is φ = 45673188.

The previous prime is 45673171. The next prime is 45673213. The reversal of 45673189 is 98137654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40220964 + 5452225 = 6342^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 45673189 - 2²³ = 37284581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45677189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22836594 + 22836595.

It is an arithmetic number, because the mean of its divisors is an integer number (22836595).

Almost surely, 2^45673189 is an apocalyptic number.

It is an amenable number.

45673189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45673189 is an equidigital number, since it uses as much as digits as its factorization.

45673189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 45673189 is about 6758.1942114739. The cubic root of 45673189 is about 357.4542337945.

The spelling of 45673189 in words is "forty-five million, six hundred seventy-three thousand, one hundred eighty-nine".