45385548 has 48 divisors (see below), whose sum is σ = 115153920. Its totient is φ = 13829184.

The previous prime is 45385531. The next prime is 45385553. The reversal of 45385548 is 84558354.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15333 + ... + 18051.

It is an arithmetic number, because the mean of its divisors is an integer number (2399040).

Almost surely, 2^45385548 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 45385548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57576960).

45385548 is an abundant number, since it is smaller than the sum of its proper divisors (69768372).

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

45385548 is a wasteful number, since it uses less digits than its factorization.

45385548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

The square root of 45385548 is about 6736.8796931517. The cubic root of 45385548 is about 356.7022602069.

The spelling of 45385548 in words is "forty-five million, three hundred eighty-five thousand, five hundred forty-eight".