245045252 has 12 divisors (see below), whose sum is σ = 429528540. Its totient is φ = 122322816.

The previous prime is 245045249. The next prime is 245045267. The reversal of 245045252 is 252540542.

It can be written as a sum of positive squares in 2 ways, for example, as 137217796 + 107827456 = 11714^2 + 10384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47177 + ... + 52112.

It is an arithmetic number, because the mean of its divisors is an integer number (35794045).

Almost surely, 2^245045252 is an apocalyptic number.

It is an amenable number.

245045252 is a deficient number, since it is larger than the sum of its proper divisors (184483288).

245045252 is a wasteful number, since it uses less digits than its factorization.

245045252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99910 (or 99908 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245045252 is about 15653.9212978729. The cubic root of 245045252 is about 625.7709968843.

Adding to 245045252 its reverse (252540542), we get a palindrome (497585794).

The spelling of 245045252 in words is "two hundred forty-five million, forty-five thousand, two hundred fifty-two".