245213135 has 8 divisors (see below), whose sum is σ = 294595056. Its totient is φ = 195944320.

The previous prime is 245213113. The next prime is 245213159. The reversal of 245213135 is 531312542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245213135 - 2⁶ = 245213071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 23429 + ... + 32238.

It is an arithmetic number, because the mean of its divisors is an integer number (36824382).

Almost surely, 2^245213135 is an apocalyptic number.

245213135 is a deficient number, since it is larger than the sum of its proper divisors (49381921).

245213135 is an equidigital number, since it uses as much as digits as its factorization.

245213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56553.

The product of its digits is 3600, while the sum is 26.

The square root of 245213135 is about 15659.2827102649. The cubic root of 245213135 is about 625.9138716239.

Adding to 245213135 its reverse (531312542), we get a palindrome (776525677).

The spelling of 245213135 in words is "two hundred forty-five million, two hundred thirteen thousand, one hundred thirty-five".