45677189 has 2 divisors, whose sum is σ = 45677190. Its totient is φ = 45677188.

The previous prime is 45677161. The next prime is 45677221. The reversal of 45677189 is 98177654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37920964 + 7756225 = 6158^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 45677189 - 2⁸ = 45676933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45677119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22838594 + 22838595.

It is an arithmetic number, because the mean of its divisors is an integer number (22838595).

Almost surely, 2^45677189 is an apocalyptic number.

It is an amenable number.

45677189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45677189 is an equidigital number, since it uses as much as digits as its factorization.

45677189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 45677189 is about 6758.4901420362. The cubic root of 45677189 is about 357.4646686195.

The spelling of 45677189 in words is "forty-five million, six hundred seventy-seven thousand, one hundred eighty-nine".