245005340 has 48 divisors (see below), whose sum is σ = 545287680. Its totient is φ = 92305920.

The previous prime is 245005333. The next prime is 245005351. The reversal of 245005340 is 43500542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18629 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (11360160).

Almost surely, 2^245005340 is an apocalyptic number.

245005340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245005340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272643840).

245005340 is an abundant number, since it is smaller than the sum of its proper divisors (300282340).

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

245005340 is a wasteful number, since it uses less digits than its factorization.

245005340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10382 (or 10380 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 245005340 is about 15652.6464216119. The cubic root of 245005340 is about 625.7370206725.

Adding to 245005340 its reverse (43500542), we get a palindrome (288505882).

The spelling of 245005340 in words is "two hundred forty-five million, five thousand, three hundred forty".