45218711 has 4 divisors (see below), whose sum is σ = 45564024. Its totient is φ = 44873400.

The previous prime is 45218707. The next prime is 45218717. The reversal of 45218711 is 11781254.

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

It is a cyclic number.

It is not a de Polignac number, because 45218711 - 2² = 45218707 is a prime.

It is a super-3 number, since 3×45218711³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45218717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172460 + ... + 172721.

It is an arithmetic number, because the mean of its divisors is an integer number (11391006).

Almost surely, 2^45218711 is an apocalyptic number.

45218711 is a deficient number, since it is larger than the sum of its proper divisors (345313).

45218711 is a wasteful number, since it uses less digits than its factorization.

45218711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345312.

The product of its digits is 2240, while the sum is 29.

The square root of 45218711 is about 6724.4859283071. The cubic root of 45218711 is about 356.2646450941.

Adding to 45218711 its reverse (11781254), we get a palindrome (56999965).

The spelling of 45218711 in words is "forty-five million, two hundred eighteen thousand, seven hundred eleven".