45240208 has 40 divisors (see below), whose sum is σ = 94868928. Its totient is φ = 20775552.

The previous prime is 45240187. The next prime is 45240211. The reversal of 45240208 is 80204254.

It is a happy number.

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, 54291 + ... + 55117.

Almost surely, 2^45240208 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 45240208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47434464).

45240208 is an abundant number, since it is smaller than the sum of its proper divisors (49628720).

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

45240208 is a wasteful number, since it uses less digits than its factorization.

45240208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 45240208 is about 6726.0841505292. The cubic root of 45240208 is about 356.3210922859.

The spelling of 45240208 in words is "forty-five million, two hundred forty thousand, two hundred eight".