45198468 has 72 divisors (see below), whose sum is σ = 132571712. Its totient is φ = 12716352.

The previous prime is 45198467. The next prime is 45198479. The reversal of 45198468 is 86489154.

It is not an unprimeable number, because it can be changed into a prime (45198463) 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 23 ways as a sum of consecutive naturals, for example, 15546 + ... + 18222.

Almost surely, 2^45198468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45198468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66285856).

45198468 is an abundant number, since it is smaller than the sum of its proper divisors (87373244).

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

45198468 is a wasteful number, since it uses less digits than its factorization.

45198468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2756 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 45198468 is about 6722.9805889947. The cubic root of 45198468 is about 356.2114743196.

The spelling of 45198468 in words is "forty-five million, one hundred ninety-eight thousand, four hundred sixty-eight".