245742250 has 64 divisors (see below), whose sum is σ = 501935616. Its totient is φ = 89544000.

The previous prime is 245742229. The next prime is 245742251. The reversal of 245742250 is 52247542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245742251) 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, 269295 + ... + 270205.

It is an arithmetic number, because the mean of its divisors is an integer number (7842744).

Almost surely, 2^245742250 is an apocalyptic number.

245742250 is an abundant number, since it is smaller than the sum of its proper divisors (256193366).

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

245742250 is a wasteful number, since it uses less digits than its factorization.

245742250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 245742250 is about 15676.1682180308. The cubic root of 245742250 is about 626.3637421674.

Adding to 245742250 its reverse (52247542), we get a palindrome (297989792).

The spelling of 245742250 in words is "two hundred forty-five million, seven hundred forty-two thousand, two hundred fifty".