245136233 has 8 divisors (see below), whose sum is σ = 261673920. Its totient is φ = 228962160.

The previous prime is 245136197. The next prime is 245136259. The reversal of 245136233 is 332631542.

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

It is a de Polignac number, because none of the positive numbers 2^k-245136233 is a prime.

It is a super-4 number, since 4×245136233⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245136196 and 245136205.

It is not an unprimeable number, because it can be changed into a prime (245136533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89510 + ... + 92207.

It is an arithmetic number, because the mean of its divisors is an integer number (32709240).

Almost surely, 2^245136233 is an apocalyptic number.

It is an amenable number.

245136233 is a deficient number, since it is larger than the sum of its proper divisors (16537687).

245136233 is a wasteful number, since it uses less digits than its factorization.

245136233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181807.

The product of its digits is 12960, while the sum is 29.

The square root of 245136233 is about 15656.8270412622. The cubic root of 245136233 is about 625.8484332299.

Adding to 245136233 its reverse (332631542), we get a palindrome (577767775).

The spelling of 245136233 in words is "two hundred forty-five million, one hundred thirty-six thousand, two hundred thirty-three".