45053250 has 128 divisors (see below), whose sum is σ = 126517248. Its totient is φ = 10584000.

The previous prime is 45053249. The next prime is 45053273. The reversal of 45053250 is 5235054.

It is a self number, because there is not a number n which added to its sum of digits gives 45053250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354687 + ... + 354813.

It is an arithmetic number, because the mean of its divisors is an integer number (988416).

Almost surely, 2^45053250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45053250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63258624).

45053250 is an abundant number, since it is smaller than the sum of its proper divisors (81463998).

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

45053250 is a wasteful number, since it uses less digits than its factorization.

45053250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 45053250 is about 6712.1717796850. The cubic root of 45053250 is about 355.8295748253.

The spelling of 45053250 in words is "forty-five million, fifty-three thousand, two hundred fifty".