245230340 has 48 divisors (see below), whose sum is σ = 546981120. Its totient is φ = 92090880.

The previous prime is 245230327. The next prime is 245230343. The reversal of 245230340 is 43032542.

It is not an unprimeable number, because it can be changed into a prime (245230343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40085 + ... + 45795.

It is an arithmetic number, because the mean of its divisors is an integer number (11395440).

Almost surely, 2^245230340 is an apocalyptic number.

245230340 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 245230340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273490560).

245230340 is an abundant number, since it is smaller than the sum of its proper divisors (301750780).

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

245230340 is a wasteful number, since it uses less digits than its factorization.

245230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852 (or 5850 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 245230340 is about 15659.8320552936. The cubic root of 245230340 is about 625.9285100408.

Adding to 245230340 its reverse (43032542), we get a palindrome (288262882).

The spelling of 245230340 in words is "two hundred forty-five million, two hundred thirty thousand, three hundred forty".