245345212 has 24 divisors (see below), whose sum is σ = 491035104. Its totient is φ = 105074112.

The previous prime is 245345203. The next prime is 245345213. The reversal of 245345212 is 212543542.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245345213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60678 + ... + 64594.

It is an arithmetic number, because the mean of its divisors is an integer number (20459796).

Almost surely, 2^245345212 is an apocalyptic number.

It is an amenable number.

245345212 is an abundant number, since it is smaller than the sum of its proper divisors (245689892).

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

245345212 is a wasteful number, since it uses less digits than its factorization.

245345212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165 (or 6163 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 245345212 is about 15663.4993535927. The cubic root of 245345212 is about 626.0262282866.

Adding to 245345212 its reverse (212543542), we get a palindrome (457888754).

The spelling of 245345212 in words is "two hundred forty-five million, three hundred forty-five thousand, two hundred twelve".