2045243250 has 64 divisors (see below), whose sum is σ = 5672160000. Its totient is φ = 545396400.

The previous prime is 2045243243. The next prime is 2045243251. The reversal of 2045243250 is 523425402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2045243251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144750 + ... + 158249.

It is an arithmetic number, because the mean of its divisors is an integer number (88627500).

Almost surely, 2^2045243250 is an apocalyptic number.

2045243250 is an abundant number, since it is smaller than the sum of its proper divisors (3626916750).

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

2045243250 is a wasteful number, since it uses less digits than its factorization.

2045243250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303025 (or 303009 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2045243250 is about 45224.3656671932. The cubic root of 2045243250 is about 1269.3507852182.

Adding to 2045243250 its reverse (523425402), we get a palindrome (2568668652).

The spelling of 2045243250 in words is "two billion, forty-five million, two hundred forty-three thousand, two hundred fifty".