245142216 has 48 divisors (see below), whose sum is σ = 724286160. Its totient is φ = 74285280.

The previous prime is 245142187. The next prime is 245142253. The reversal of 245142216 is 612241542.

245142216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245142216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153970 + ... + 155553.

It is an arithmetic number, because the mean of its divisors is an integer number (15089295).

Almost surely, 2^245142216 is an apocalyptic number.

It is an amenable number.

245142216 is an abundant number, since it is smaller than the sum of its proper divisors (479143944).

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

245142216 is a wasteful number, since it uses less digits than its factorization.

245142216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309546 (or 309539 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 245142216 is about 15657.0181069066. The cubic root of 245142216 is about 625.8535248486.

Adding to 245142216 its reverse (612241542), we get a palindrome (857383758).

The spelling of 245142216 in words is "two hundred forty-five million, one hundred forty-two thousand, two hundred sixteen".