45199648 has 48 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 20710656.

The previous prime is 45199633. The next prime is 45199657. The reversal of 45199648 is 84699154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45199598 and 45199607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74161 + ... + 74767.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^45199648 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 45199648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48263040).

45199648 is an abundant number, since it is smaller than the sum of its proper divisors (51326432).

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

45199648 is a wasteful number, since it uses less digits than its factorization.

45199648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 801 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 45199648 is about 6723.0683471165. The cubic root of 45199648 is about 356.2145741730.

The spelling of 45199648 in words is "forty-five million, one hundred ninety-nine thousand, six hundred forty-eight".