45638188 has 6 divisors (see below), whose sum is σ = 79866836. Its totient is φ = 22819092.

The previous prime is 45638147. The next prime is 45638227. The reversal of 45638188 is 88183654.

It is an unprimeable number.

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, 5704770 + ... + 5704777.

Almost surely, 2^45638188 is an apocalyptic number.

It is an amenable number.

45638188 is a deficient number, since it is larger than the sum of its proper divisors (34228648).

45638188 is a wasteful number, since it uses less digits than its factorization.

45638188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409551 (or 11409549 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 45638188 is about 6755.6041920764. The cubic root of 45638188 is about 357.3629004673.

The spelling of 45638188 in words is "forty-five million, six hundred thirty-eight thousand, one hundred eighty-eight".