245720346 has 16 divisors (see below), whose sum is σ = 520349184. Its totient is φ = 77088704.

The previous prime is 245720341. The next prime is 245720389. The reversal of 245720346 is 643027542.

245720346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (245720341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204410 + ... + 1204613.

It is an arithmetic number, because the mean of its divisors is an integer number (32521824).

Almost surely, 2^245720346 is an apocalyptic number.

245720346 is an abundant number, since it is smaller than the sum of its proper divisors (274628838).

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

245720346 is a wasteful number, since it uses less digits than its factorization.

245720346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409045.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 245720346 is about 15675.4695623449. The cubic root of 245720346 is about 626.3451315038.

Adding to 245720346 its reverse (643027542), we get a palindrome (888747888).

The spelling of 245720346 in words is "two hundred forty-five million, seven hundred twenty thousand, three hundred forty-six".