45647018 has 8 divisors (see below), whose sum is σ = 68815200. Its totient is φ = 22708620.

The previous prime is 45647003. The next prime is 45647027. The reversal of 45647018 is 81074654.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 56948 + ... + 57743.

It is an arithmetic number, because the mean of its divisors is an integer number (8601900).

Almost surely, 2^45647018 is an apocalyptic number.

45647018 is a deficient number, since it is larger than the sum of its proper divisors (23168182).

45647018 is a wasteful number, since it uses less digits than its factorization.

45647018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114892.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 45647018 is about 6756.2576919475. The cubic root of 45647018 is about 357.3859463058.

It can be divided in two parts, 456 and 47018, that added together give a palindrome (47474).

The spelling of 45647018 in words is "forty-five million, six hundred forty-seven thousand, eighteen".