45001218 has 8 divisors (see below), whose sum is σ = 90002448. Its totient is φ = 15000404.

The previous prime is 45001217. The next prime is 45001219. The reversal of 45001218 is 81210054.

It is an interprime number because it is at equal distance from previous prime (45001217) and next prime (45001219).

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

45001218 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 45001194 and 45001203.

It is not an unprimeable number, because it can be changed into a prime (45001211) by changing a digit.

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, 3750096 + ... + 3750107.

It is an arithmetic number, because the mean of its divisors is an integer number (11250306).

Almost surely, 2^45001218 is an apocalyptic number.

45001218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45001218 is a wasteful number, since it uses less digits than its factorization.

45001218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500208.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 45001218 is about 6708.2947162450. The cubic root of 45001218 is about 355.6925395282.

The spelling of 45001218 in words is "forty-five million, one thousand, two hundred eighteen".