45440250 has 64 divisors (see below), whose sum is σ = 116138880. Its totient is φ = 11827200.

The previous prime is 45440243. The next prime is 45440261. The reversal of 45440250 is 5204454.

It is a self number, because there is not a number n which added to its sum of digits gives 45440250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31546 + ... + 32954.

It is an arithmetic number, because the mean of its divisors is an integer number (1814670).

Almost surely, 2^45440250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45440250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58069440).

45440250 is an abundant number, since it is smaller than the sum of its proper divisors (70698630).

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

45440250 is a wasteful number, since it uses less digits than its factorization.

45440250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45440250 is about 6740.9383619790. The cubic root of 45440250 is about 356.8455106020.

It can be divided in two parts, 454 and 40250, that added together give a palindrome (40704).

The spelling of 45440250 in words is "forty-five million, four hundred forty thousand, two hundred fifty".