45347618 has 4 divisors (see below), whose sum is σ = 68021430. Its totient is φ = 22673808.

The previous prime is 45347611. The next prime is 45347641. The reversal of 45347618 is 81674354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33327529 + 12020089 = 5773^2 + 3467^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45347611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11336903 + ... + 11336906.

Almost surely, 2^45347618 is an apocalyptic number.

45347618 is a deficient number, since it is larger than the sum of its proper divisors (22673812).

45347618 is a wasteful number, since it uses less digits than its factorization.

45347618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22673811.

The product of its digits is 80640, while the sum is 38.

The square root of 45347618 is about 6734.0640032598. The cubic root of 45347618 is about 356.6028637534.

The spelling of 45347618 in words is "forty-five million, three hundred forty-seven thousand, six hundred eighteen".