245132135 has 4 divisors (see below), whose sum is σ = 294158568. Its totient is φ = 196105704.

The previous prime is 245132123. The next prime is 245132191. The reversal of 245132135 is 531231542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531231542 = 2 ⋅265615771.

It is a cyclic number.

It is not a de Polignac number, because 245132135 - 2⁸ = 245131879 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24513209 + ... + 24513218.

It is an arithmetic number, because the mean of its divisors is an integer number (73539642).

Almost surely, 2^245132135 is an apocalyptic number.

245132135 is a deficient number, since it is larger than the sum of its proper divisors (49026433).

245132135 is an equidigital number, since it uses as much as digits as its factorization.

245132135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49026432.

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

The square root of 245132135 is about 15656.6961712872. The cubic root of 245132135 is about 625.8449457253.

Adding to 245132135 its reverse (531231542), we get a palindrome (776363677).

The spelling of 245132135 in words is "two hundred forty-five million, one hundred thirty-two thousand, one hundred thirty-five".