45148518 has 24 divisors (see below), whose sum is σ = 98011368. Its totient is φ = 15020352.

The previous prime is 45148513. The next prime is 45148531. The reversal of 45148518 is 81584154.

45148518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45148513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8430 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (4083807).

Almost surely, 2^45148518 is an apocalyptic number.

45148518 is an abundant number, since it is smaller than the sum of its proper divisors (52862850).

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

45148518 is a wasteful number, since it uses less digits than its factorization.

45148518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868 (or 4865 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 45148518 is about 6719.2646919138. The cubic root of 45148518 is about 356.0802064369.

The spelling of 45148518 in words is "forty-five million, one hundred forty-eight thousand, five hundred eighteen".